There is an illegal address access in the function _nc_read_entry_source() in progs/tic.c in ncurses 6.0 that might lead to a remote denial of service attack.

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5448-1 advisory.

  - In ncurses 6.0, there is a stack-based buffer overflow in the fmt_entry function. A crafted input will     lead to a remote arbitrary code execution attack. (CVE-2017-10684)

  - In ncurses 6.0, there is a format string vulnerability in the fmt_entry function. A crafted input will     lead to a remote arbitrary code execution attack. (CVE-2017-10685)

  - In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs function of     tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is     used to process untrusted terminfo data. (CVE-2017-11112)

  - In ncurses 6.0, there is a NULL Pointer Dereference in the _nc_parse_entry function of     tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is     used to process untrusted terminfo data. (CVE-2017-11113)

  - There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service attack. (CVE-2017-13728)

  - There is an illegal address access in the _nc_save_str function in alloc_entry.c in ncurses 6.0. It will     lead to a remote denial of service attack. (CVE-2017-13729)

  - There is an illegal address access in the function _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service attack. (CVE-2017-13730)

  - There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service attack. (CVE-2017-13731)

  - There is an illegal address access in the function dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service attack. (CVE-2017-13732)

  - There is an illegal address access in the fmt_entry function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service attack. (CVE-2017-13733)

  - There is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will     lead to a remote denial of service attack. (CVE-2017-13734)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the ncurses packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - There is a heap-based buffer over-read in the
    _nc_find_entry function in tinfo/comp_hash.c in the     terminfo library in ncurses before     6.1-20191012.(CVE-2019-17594)

  - There is a heap-based buffer over-read in the fmt_entry     function in tinfo/comp_hash.c in the terminfo library     in ncurses before 6.1-20191012.(CVE-2019-17595)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ncurses packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - There is a heap-based buffer over-read in the fmt_entry     function in tinfo/comp_hash.c in the terminfo library     in ncurses before 6.1-20191012.(CVE-2019-17595)

  - There is a heap-based buffer over-read in the
    _nc_find_entry function in tinfo/comp_hash.c in the     terminfo library in ncurses before     6.1-20191012.(CVE-2019-17594)

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ncurses packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ncurses packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ncurses packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In ncurses 6.1, there is a NULL pointer dereference at     function _nc_parse_entry in parse_entry.c that will     lead to a denial of service attack. The product     proceeds to the dereference code path even after a     'dubious character `*' in name or alias field'     detection.(CVE-2018-19211)

  - There is a heap-based buffer over-read in the
    _nc_find_entry function in tinfo/comp_hash.c in the     terminfo library in ncurses before     6.1-20191012.(CVE-2019-17594)

  - There is a heap-based buffer over-read in the fmt_entry     function in tinfo/comp_hash.c in the terminfo library     in ncurses before 6.1-20191012.(CVE-2019-17595)

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ncurses packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - There is a heap-based buffer over-read in the
    _nc_find_entry function in tinfo/comp_hash.c in the     terminfo library in ncurses before     6.1-20191012.(CVE-2019-17594)

  - There is a heap-based buffer over-read in the fmt_entry     function in tinfo/comp_hash.c in the terminfo library     in ncurses before 6.1-20191012.(CVE-2019-17595)

  - In ncurses 6.0, there is a stack-based buffer overflow     in the fmt_entry function. A crafted input will lead to     a remote arbitrary code execution     attack.(CVE-2017-10684)

  - In ncurses 6.0, there is a format string vulnerability     in the fmt_entry function. A crafted input will lead to     a remote arbitrary code execution     attack.(CVE-2017-10685)

  - In ncurses 6.0, there is an attempted     0xffffffffffffffff access in the append_acs function of     tinfo/parse_entry.c. It could lead to a remote denial     of service attack if the terminfo library code is used     to process untrusted terminfo data.(CVE-2017-11112)

  - In ncurses 6.0, there is a NULL Pointer Dereference in     the _nc_parse_entry function of tinfo/parse_entry.c. It     could lead to a remote denial of service attack if the     terminfo library code is used to process untrusted     terminfo data.(CVE-2017-11113)

  - There is an infinite loop in the next_char function in     comp_scan.c in ncurses 6.0, related to libtic. A     crafted input will lead to a remote denial of service     attack.(CVE-2017-13728)

  - There is an illegal address access in the _nc_save_str     function in alloc_entry.c in ncurses 6.0. It will lead     to a remote denial of service attack.(CVE-2017-13729)

  - There is an illegal address access in the function
    _nc_read_entry_source() in progs/tic.c in ncurses 6.0     that might lead to a remote denial of service     attack.(CVE-2017-13730)

  - There is an illegal address access in the function     postprocess_termcap() in parse_entry.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13731)

  - There is an illegal address access in the function     dump_uses() in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13732)

  - There is an illegal address access in the fmt_entry     function in progs/dump_entry.c in ncurses 6.0 that     might lead to a remote denial of service     attack.(CVE-2017-13733)

  - There is an illegal address access in the
    _nc_safe_strcat function in strings.c in ncurses 6.0     that will lead to a remote denial of service     attack.(CVE-2017-13734)

  - In ncurses 6.1, there is a NULL pointer dereference at     function _nc_parse_entry in parse_entry.c that will     lead to a denial of service attack. The product     proceeds to the dereference code path even after a     'dubious character `*' in name or alias field'     detection.(CVE-2018-19211)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201804-13 (ncurses: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in ncurses. Please review       the CVE identifiers referenced below for details.
  Impact :

    A remote attacker, by enticing the user to process untrusted terminfo or       other data, could execute arbitrary code or cause a Denial of Service       condition.
  Workaround :

    There is no known workaround at this time.

This update for ncurses fixes several issues. These security issues were fixed :

  - CVE-2017-13734: Prevent illegal address access in the
    _nc_safe_strcat function in strings.c that might have     lead to a remote denial of service attack (bsc#1056126).

  - CVE-2017-13733: Prevent illegal address access in the     fmt_entry function in progs/dump_entry.c that might have     lead to a remote denial of service attack (bsc#1056127).

  - CVE-2017-13732: Prevent illegal address access in the     function dump_uses() in progs/dump_entry.c that might     have lead to a remote denial of service attack     (bsc#1056128).

  - CVE-2017-13731: Prevent illegal address access in the     function postprocess_termcap() in parse_entry.c that     might have lead to a remote denial of service attack     (bsc#1056129).

  - CVE-2017-13730: Prevent illegal address access in the     function _nc_read_entry_source() in progs/tic.c that     might have lead to a remote denial of service attack     (bsc#1056131).

  - CVE-2017-13729: Prevent illegal address access in the
    _nc_save_str function in alloc_entry.c that might have     lead to a remote denial of service attack (bsc#1056132).

  - CVE-2017-13728: Prevent infinite loop in the next_char     function in comp_scan.c that might have lead to a remote     denial of service attack (bsc#1056136).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for ncurses fixes the following issues :

Security issues fixed :

  - CVE-2017-13728: Fix infinite loop in the next_char     function in comp_scan.c (bsc#1056136).

  - CVE-2017-13730: Fix illegal address access in the     function _nc_read_entry_source() (bsc#1056131).

  - CVE-2017-13733: Fix illegal address access in the     fmt_entry function (bsc#1056127).

  - CVE-2017-13729: Fix illegal address access in the
    _nc_save_str (bsc#1056132).

  - CVE-2017-13732: Fix illegal address access in the     function dump_uses() (bsc#1056128).

  - CVE-2017-13731: Fix illegal address access in the     function postprocess_termcap() (bsc#1056129).

This update was imported from the SUSE:SLE-12:Update update project.

This update for ncurses fixes the following issues: Security issues fixed :

  - CVE-2017-13728: Fix infinite loop in the next_char     function in comp_scan.c (bsc#1056136).

  - CVE-2017-13730: Fix illegal address access in the     function _nc_read_entry_source() (bsc#1056131).

  - CVE-2017-13733: Fix illegal address access in the     fmt_entry function (bsc#1056127).

  - CVE-2017-13729: Fix illegal address access in the
    _nc_save_str (bsc#1056132).

  - CVE-2017-13732: Fix illegal address access in the     function dump_uses() (bsc#1056128).

  - CVE-2017-13731: Fix illegal address access in the     function postprocess_termcap() (bsc#1056129).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for ncurses fixes the following issues: Security issues fixed :

  - CVE-2017-13728: Fix infinite loop in the next_char     function in comp_scan.c (bsc#1056136).

  - CVE-2017-13729: Fix illegal address access in the
    _nc_save_str (bsc#1056132).

  - CVE-2017-13730: Fix illegal address access in the     function _nc_read_entry_source() (bsc#1056131).

  - CVE-2017-13731: Fix illegal address access in the     function postprocess_termcap() (bsc#1056129).

  - CVE-2017-13732: Fix illegal address access in the     function dump_uses() (bsc#1056128).

  - CVE-2017-13733: Fix illegal address access in the     fmt_entry function (bsc#1056127).

  - CVE-2017-16879: Fix stack-based buffer overflow in the
    _nc_write_entry() function (bsc#1069530).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ncurses developers reports :

There are multiple illegal address access issues and an infinite loop issue. Please refer to the CVE list for details.

ID	Name	Product	Family	Severity
161634	Ubuntu 16.04 ESM : ncurses vulnerabilities (USN-5448-1)	Nessus	Ubuntu Local Security Checks	critical
141674	EulerOS Virtualization 3.0.2.2 : ncurses (EulerOS-SA-2020-2207)	Nessus	Huawei Local Security Checks	medium
137951	EulerOS Virtualization 3.0.6.0 : ncurses (EulerOS-SA-2020-1732)	Nessus	Huawei Local Security Checks	medium
136231	EulerOS Virtualization for ARM 64 3.0.2.0 : ncurses (EulerOS-SA-2020-1528)	Nessus	Huawei Local Security Checks	high
133919	EulerOS 2.0 SP5 : ncurses (EulerOS-SA-2020-1118)	Nessus	Huawei Local Security Checks	high
132169	EulerOS 2.0 SP3 : ncurses (EulerOS-SA-2019-2634)	Nessus	Huawei Local Security Checks	medium
131912	EulerOS 2.0 SP2 : ncurses (EulerOS-SA-2019-2420)	Nessus	Huawei Local Security Checks	critical
109097	GLSA-201804-13 : ncurses: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
106527	SUSE SLED12 / SLES12 Security Update : ncurses (SUSE-SU-2018:0284-1)	Nessus	SuSE Local Security Checks	high
106218	openSUSE Security Update : ncurses (openSUSE-2018-55)	Nessus	SuSE Local Security Checks	high
106131	SUSE SLED12 / SLES12 Security Update : ncurses (SUSE-SU-2018:0120-1)	Nessus	SuSE Local Security Checks	high
104993	SUSE SLES11 Security Update : ncurses (SUSE-SU-2017:3183-1)	Nessus	SuSE Local Security Checks	high
103797	FreeBSD : ncurses -- multiple issues (b84dbd94-e894-4c91-b8cd-d328537b1b2b)	Nessus	FreeBSD Local Security Checks	high

Detections

Analytics

CVE-2017-13730

medium

Tenable Plugins

critical

medium

medium

high

high

medium

critical

critical

high

high

high

high

high