Integer overflow bug in function minitiff_read_info() of optipng 0.7.6 allows an attacker to remotely execute code or cause denial of service.

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.

  - optipng: heap buffer overflow in the bmp_read_rows function (CVE-2016-3981)

  - optipng: heap buffer overflow in the bmp_rle4_fread function (CVE-2016-3982)

  - gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of     service (uninitialized memory read) via a crafted GIF file. (CVE-2015-7802)

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

Security fix for CVE-2017-1000229 and CVE-2017-16938

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.

The remote host is affected by the vulnerability described in GLSA-201801-02 (OptiPNG: Multiple vulnerabilities)

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

    A remote attacker could entice a user to process a specially crafted       image file, possibly resulting in execution of arbitrary code with the       privileges of the process or a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

This update for optipng fixes the following issues :

Security issue fixed :

  - CVE-2017-1000229: Fix integer overflow bug in function     minitiff_read_info() allows an attacker to remotely     execute code or cause denial of service (boo#1068720).

  - CVE-2017-16938: Fix a global buffer overflow that allows     attackers to cause DoS via a maliciously crafted GIF     file (bsc#1069774).

Two vulnerabilities were discovered in optipng, an advanced PNG optimizer, which may result in denial of service or the execution of arbitrary code if a malformed file is processed.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3495-1 advisory.

    It was discovered that OptiPNG incorrectly handled memory. A remote attacker could use this issue with a     specially crafted image file to cause OptiPNG to crash, resulting in a denial of service, or possibly     execute arbitrary code.

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

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

An integer overflow vulnerability was found in optipng, an advanced PNG optimizer that also recognizes other external file formats. This may lead to arbitrary code execution when a maliciously crafted TIFF file is processed.

For Debian 7 'Wheezy', these problems have been fixed in version 0.6.4-1+deb7u3.

We recommend that you upgrade your optipng 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	Severity
199733	RHEL 7 : optipng (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
105990	Fedora 27 : optipng (2017-e56a2ddd09)	Nessus	Fedora Local Security Checks	high
105628	GLSA-201801-02 : OptiPNG: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
105379	Fedora 26 : optipng (2017-018464cbf9)	Nessus	Fedora Local Security Checks	high
105220	openSUSE Security Update : optipng (openSUSE-2017-1320)	Nessus	SuSE Local Security Checks	high
105119	Debian DSA-4058-1 : optipng - security update	Nessus	Debian Local Security Checks	high
104810	Ubuntu 14.04 LTS / 16.04 LTS : OptiPNG vulnerability (USN-3495-1)	Nessus	Ubuntu Local Security Checks	high
104721	Debian DLA-1184-1 : optipng security update	Nessus	Debian Local Security Checks	high

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CVE-2017-1000229

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