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

  - The zziplib is a lightweight library to easily extract     data from zip files.Security Fix(es):An issue was     discovered in ZZIPlib through 0.13.69. There is a     memory leak triggered in the function
    __zzip_parse_root_directory in zip.c, which will lead     to a denial of service attack.(CVE-2018-16548)In     ZZIPlib 0.13.67, there is a segmentation fault caused     by invalid memory access in the zzip_disk_fread     function (zzip/mmapped.c) because the size variable is     not validated against the amount of file->stored     data.(CVE-2018-6381)In ZZIPlib 0.13.67, there is a     memory alignment error and bus error in the
    __zzip_fetch_disk_trailer function of zzip/zip.c.
    Remote attackers could leverage this vulnerability to     cause a denial of service via a crafted zip     file.(CVE-2018-6484)In ZZIPlib 0.13.67, there is a bus     error caused by loading of a misaligned address in the     zzip_disk_findfirst function of zzip/mmapped.c. Remote     attackers could leverage this vulnerability to cause a     denial of service via a crafted zip     file.(CVE-2018-6540)In ZZIPlib 0.13.67, there is a bus     error caused by loading of a misaligned address (when     handling disk64_trailer local entries) in
    __zzip_fetch_disk_trailer (zzip/zip.c). Remote     attackers could leverage this vulnerability to cause a     denial of service via a crafted zip     file.(CVE-2018-6541)In ZZIPlib 0.13.68, there is an     uncontrolled memory allocation and a crash in the
    __zzip_parse_root_directory function of zzip/zip.c.
    Remote attackers could leverage this vulnerability to     cause a denial of service via a crafted zip     file.(CVE-2018-6869)The prescan_entry function in     fseeko.c in zziplib 0.13.62 allows remote attackers to     cause a denial of service (NULL pointer dereference and     crash) via a crafted ZIP file.(CVE-2017-5979)seeko.c in     zziplib 0.13.62 allows remote attackers to cause a     denial of service (assertion failure and crash) via a     crafted ZIP file.(CVE-2017-5981)The zzip_mem_entry_new     function in memdisk.c in zziplib 0.13.62 allows remote     attackers to cause a denial of service (out-of-bounds     read and crash) via a crafted ZIP     file.(CVE-2017-5978)Heap-based buffer overflow in the
    __zzip_get32 function in fetch.c in zziplib 0.13.62     allows remote attackers to cause a denial of service     (crash) via a crafted ZIP     file.(CVE-2017-5974)Heap-based buffer overflow in the     zzip_mem_entry_extra_block function in memdisk.c in     zziplib 0.13.62 allows remote attackers to cause a     denial of service (crash) via a crafted ZIP     file.(CVE-2017-5976)Heap-based buffer overflow in the
    __zzip_get64 function in fetch.c in zziplib 0.13.62     allows remote attackers to cause a denial of service     (crash) via a crafted ZIP file.(CVE-2017-5975)The     zzip_mem_entry_extra_block function in memdisk.c in     zziplib 0.13.62 allows remote attackers to cause a     denial of service (invalid memory read and crash) via a     crafted ZIP file.(CVE-2017-5977)

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.

It was discovered that there was a uncontrolled memory allocation issue in zziplib, a ZIP archive library. Remote attackers could leverage this vulnerability to cause a denial of service via a specially crafted file.

For Debian 7 'Wheezy', this issue has been fixed in zziplib version 0.13.56-1.1+deb7u2.

We recommend that you upgrade your zziplib packages.

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

Security fix for CVE-2018-6869, CVE-2018-6484

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

It was discovered that zziplib incorrectly handled certain malformed ZIP files. If a user or automated system were tricked into opening a specially crafted ZIP file, a remote attacker could cause zziplib to crash, resulting in a denial of service, or possibly execute arbitrary code.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu 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 zziplib package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - An issue was discovered in ZZIPlib through 0.13.69.
    There is a memory leak triggered in the function
    __zzip_parse_root_directory in zip.c, which will lead     to a denial of service attack.(CVE-2018-16548)

  - Heap-based buffer overflow in the __zzip_get32 function     in fetch.c in zziplib 0.13.62 allows remote attackers     to cause a denial of service (crash) via a crafted ZIP     file.(CVE-2017-5974)

  - Heap-based buffer overflow in the __zzip_get64 function     in fetch.c in zziplib 0.13.62 allows remote attackers     to cause a denial of service (crash) via a crafted ZIP     file.(CVE-2017-5975)

  - Heap-based buffer overflow in the     zzip_mem_entry_extra_block function in memdisk.c in     zziplib 0.13.62 allows remote attackers to cause a     denial of service (crash) via a crafted ZIP     file.(CVE-2017-5976)

  - In ZZIPlib 0.13.67, there is a bus error caused by     loading of a misaligned address (when handling     disk64_trailer local entries) in
    __zzip_fetch_disk_trailer (zzip/zip.c). Remote     attackers could leverage this vulnerability to cause a     denial of service via a crafted zip     file.(CVE-2018-6541)

  - In ZZIPlib 0.13.67, there is a bus error caused by     loading of a misaligned address in the     zzip_disk_findfirst function of zzip/mmapped.c. Remote     attackers could leverage this vulnerability to cause a     denial of service via a crafted zip     file.(CVE-2018-6540)

  - In ZZIPlib 0.13.67, there is a memory alignment error     and bus error in the __zzip_fetch_disk_trailer function     of zzip/zip.c. Remote attackers could leverage this     vulnerability to cause a denial of service via a     crafted zip file.(CVE-2018-6484)

  - In ZZIPlib 0.13.67, there is a segmentation fault     caused by invalid memory access in the zzip_disk_fread     function (zzip/mmapped.c) because the size variable is     not validated against the amount of file->stored     data.(CVE-2018-6381)

  - In ZZIPlib 0.13.68, there is an uncontrolled memory     allocation and a crash in the
    __zzip_parse_root_directory function of zzip/zip.c.
    Remote attackers could leverage this vulnerability to     cause a denial of service via a crafted zip     file.(CVE-2018-6869)

  - seeko.c in zziplib 0.13.62 allows remote attackers to     cause a denial of service (assertion failure and crash)     via a crafted ZIP file.(CVE-2017-5981)

  - The prescan_entry function in fseeko.c in zziplib     0.13.62 allows remote attackers to cause a denial of     service (NULL pointer dereference and crash) via a     crafted ZIP file.(CVE-2017-5979)

  - The zzip_mem_entry_extra_block function in memdisk.c in     zziplib 0.13.62 allows remote attackers to cause a     denial of service (invalid memory read and crash) via a     crafted ZIP file.(CVE-2017-5977)

  - The zzip_mem_entry_new function in memdisk.c in zziplib     0.13.62 allows remote attackers to cause a denial of     service (out-of-bounds read and crash) via a crafted     ZIP file.(CVE-2017-5978)

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 Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - zziplib: uncontrolled memory allocation in __zzip_parse_root_directory in zzip/zip.c (CVE-2018-6869)

  - Heap-based buffer overflow in the __zzip_get32 function in fetch.c in zziplib 0.13.62, 0.13.61, 0.13.60,     0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a     crafted ZIP file. (CVE-2017-5974)

  - Heap-based buffer overflow in the __zzip_get64 function in fetch.c in zziplib 0.13.62, 0.13.61, 0.13.60,     0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a     crafted ZIP file. (CVE-2017-5975)

  - Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62,     0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service     (crash) via a crafted ZIP file. (CVE-2017-5976)

  - The zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a     denial of service (invalid memory read and crash) via a crafted ZIP file. (CVE-2017-5977)

  - The zzip_mem_entry_new function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial     of service (out-of-bounds read and crash) via a crafted ZIP file. (CVE-2017-5978)

  - The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of     service (NULL pointer dereference and crash) via a crafted ZIP file. (CVE-2017-5979)

  - The zzip_mem_entry_new function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial     of service (NULL pointer dereference and crash) via a crafted ZIP file. (CVE-2017-5980)

  - seeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (assertion failure and     crash) via a crafted ZIP file. (CVE-2017-5981)

  - In ZZIPlib 0.13.67, 0.13.66, 0.13.65, 0.13.64, 0.13.63, 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58,     0.13.57 and 0.13.56 there is a segmentation fault caused by invalid memory access in the zzip_disk_fread     function (zzip/mmapped.c) because the size variable is not validated against the amount of file->stored     data. (CVE-2018-6381)

  - In ZZIPlib 0.13.67, there is a memory alignment error and bus error in the __zzip_fetch_disk_trailer     function of zzip/zip.c. Remote attackers could leverage this vulnerability to cause a denial of service     via a crafted zip file. (CVE-2018-6484)

  - In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the     zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to     cause a denial of service via a crafted zip file. (CVE-2018-6540)

  - An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which     will lead to a denial-of-service. (CVE-2020-18770)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

NIST reports (by search in the range 2017/01/01 - 2018/07/06) :

17 security fixes in this release :

- Heap-based buffer overflow in the __zzip_get32 function in fetch.c.

- Heap-based buffer overflow in the __zzip_get64 function in fetch.c.

- Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c.

- The zzip_mem_entry_new function in memdisk.c allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ZIP file.

- The prescan_entry function in fseeko.c allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via crafted ZIP file.

- The zzip_mem_entry_new function in memdisk.c cause a NULL pointer dereference and crash via a crafted ZIP file.

- seeko.c cause a denial of service (assertion failure and crash) via a crafted ZIP file.

- A segmentation fault caused by invalid memory access in the zzip_disk_fread function because the size variable is not validated against the amount of file->stored data.

- A memory alignment error and bus error in the
__zzip_fetch_disk_trailer function of zzip/zip.c.

- A bus error caused by loading of a misaligned address in the zzip_disk_findfirst function.

- An uncontrolled memory allocation and a crash in the
__zzip_parse_root_directory function.

- An invalid memory address dereference was discovered in zzip_disk_fread in mmapped.c.

- A memory leak triggered in the function zzip_mem_disk_new in memdisk.c.

Update zziplib to fix all known CVEs in Fedora 27

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

Several issues have been fixed in zziplib, a library providing read access on ZIP-archives. They are basically all related to invalid memory access and resulting crash or memory leak.

For Debian 8 'Jessie', these problems have been fixed in version 0.13.62-3+deb8u2.

We recommend that you upgrade your zziplib packages.

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

ID	Name	Product	Family	Published	Updated	Severity
131631	EulerOS 2.0 SP2 : zziplib (EulerOS-SA-2019-2478)	Nessus	Huawei Local Security Checks	12/4/2019	4/8/2024	medium
106904	Debian DLA-1287-1 : zziplib security update	Nessus	Debian Local Security Checks	2/21/2018	1/11/2021	medium
106911	Fedora 27 : zziplib (2018-8d544ee879)	Nessus	Fedora Local Security Checks	2/21/2018	1/6/2021	medium
110921	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : zziplib vulnerabilities (USN-3699-1)	Nessus	Ubuntu Local Security Checks	7/5/2018	10/20/2023	medium
132220	EulerOS 2.0 SP3 : zziplib (EulerOS-SA-2019-2685)	Nessus	Huawei Local Security Checks	12/18/2019	4/3/2024	medium
196090	RHEL 7 : zziplib (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	5/11/2024	5/11/2024	medium
110969	FreeBSD : zziplib - multiple vulnerabilities (7764b219-8148-11e8-aa4d-000e0cd7b374)	Nessus	FreeBSD Local Security Checks	7/10/2018	4/21/2020	medium
117489	Fedora 27 : zziplib (2018-45183aab17)	Nessus	Fedora Local Security Checks	9/14/2018	1/6/2021	medium
137861	Debian DLA-2258-1 : zziplib security update	Nessus	Debian Local Security Checks	6/29/2020	3/5/2024	medium

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