There is a heap-based buffer overflow that causes a more than two thousand bytes out-of-bounds write in Liblouis 3.2.0, triggered in the function resolveSubtable() in compileTranslationTable.c. It will lead to denial of service or remote code execution.

Security fix for CVE-2017-13738 CVE-2017-13739 CVE-2017-13740 CVE-2017-13741 CVE-2017-13742 CVE-2017-13743 CVE-2017-13744

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.

This update for liblouis fixes several issues.

These security issues were fixed :

  - CVE-2017-13738: Prevent illegal address access in the
    _lou_getALine function that allowed to cause remote DoS     (bsc#1056105).

  - CVE-2017-13739: Prevent heap-based buffer overflow in     the function resolveSubtable() that could have caused     DoS or remote code execution (bsc#1056101).

  - CVE-2017-13740: Prevent stack-based buffer overflow in     the function parseChars() that could have caused DoS or     possibly unspecified other impact (bsc#1056097) 

  - CVE-2017-13741: Prevent use-after-free in function     compileBrailleIndicator() that allowed to cause remote     DoS (bsc#1056095).

  - CVE_2017-13742: Prevent stack-based buffer overflow in     function includeFile that allowed to cause remote DoS     (bsc#1056093).

  - CVE-2017-13743: Prevent buffer overflow triggered in the     function _lou_showString() that allowed to cause remote     DoS (bsc#1056090).

  - CVE-2017-13744: Prevent illegal address access in the     function _lou_getALine() that allowed to cause remote     DoS (bsc#1056088).

This update was imported from the SUSE:SLE-12-SP2:Update update project.

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

  - CVE-2017-13739: Prevent heap-based buffer overflow in     the function resolveSubtable() that could have caused     DoS or remote code execution (bsc#1056101)

  - CVE-2017-13740: Prevent stack-based buffer overflow in     the function parseChars() that could have caused DoS or     possibly unspecified other impact (bsc#1056097) ()

  - CVE-2017-13741: Prevent use-after-free in function     compileBrailleIndicator() that allowed to cause remote     DoS (bsc#1056095)

  - CVE_2017-13742: Prevent stack-based buffer overflow in     function includeFile that allowed to cause remote DoS     (bsc#1056093).

  - CVE-2017-13743: Prevent buffer overflow triggered in the     function _lou_showString() that allowed to cause remote     DoS (bsc#1056090)

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 liblouis fixes several issues. These security issues were fixed :

  - CVE-2017-13738: Prevent illegal address access in the
    _lou_getALine function that allowed to cause remote DoS     (bsc#1056105).

  - CVE-2017-13739: Prevent heap-based buffer overflow in     the function resolveSubtable() that could have caused     DoS or remote code execution (bsc#1056101).

  - CVE-2017-13740: Prevent stack-based buffer overflow in     the function parseChars() that could have caused DoS or     possibly unspecified other impact (bsc#1056097)

  - CVE-2017-13741: Prevent use-after-free in function     compileBrailleIndicator() that allowed to cause remote     DoS (bsc#1056095).

  - CVE_2017-13742: Prevent stack-based buffer overflow in     function includeFile that allowed to cause remote DoS     (bsc#1056093).

  - CVE-2017-13743: Prevent buffer overflow triggered in the     function _lou_showString() that allowed to cause remote     DoS (bsc#1056090).

  - CVE-2017-13744: Prevent illegal address access in the     function _lou_getALine() that allowed to cause remote     DoS (bsc#1056088).

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.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3408-1 advisory.

    It was discovered that an illegal address access can be made in Liblouis. A remote attacker can take     advantange of this to access sensitive information. (CVE-2017-13738, CVE-2017-13744)

    It was discovered a heap-based buffer overflow that causes bytes out-of-bounds write in Liblouis. A remote     attacker can use this to denial of service or remote code execution. (CVE-2017-13739)

    It was discovered a stack-based buffer overflow in Liblouis. A remote attacker can use this to denial of     service or possibly unspecified other impact. (CVE-2017-13740, CVE-2017-13742)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

ID	Name	Product	Family	Severity
106012	Fedora 27 : liblouis (2017-f9f6398158)	Nessus	Fedora Local Security Checks	high
104592	Fedora 26 : liblouis (2017-2c9852dd05)	Nessus	Fedora Local Security Checks	high
103660	openSUSE Security Update : liblouis (openSUSE-2017-1120)	Nessus	SuSE Local Security Checks	high
103564	SUSE SLES11 Security Update : liblouis (SUSE-SU-2017:2590-1)	Nessus	SuSE Local Security Checks	high
103528	SUSE SLED12 / SLES12 Security Update : liblouis (SUSE-SU-2017:2570-1)	Nessus	SuSE Local Security Checks	high
102956	Ubuntu 14.04 LTS / 16.04 LTS : Liblouis vulnerabilities (USN-3408-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2017-13739

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Tenable Plugins

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