Hans Jerry Illikainen discovered that missing input sanitising in the BMP processing code of the optipng PNG optimiser may result in denial of service or the execution of arbitrary code if a malformed file is processed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

optipng was updated to fix one security issue.

This security issue was fixed :

  - CVE-2016-2191: Invalid write while processing bitmap     images (bsc#973992).

  - CVE-2016-3981: Heap buffer overflow pngxrbmp.c     bmp_read_rows

  - CVE-2016-3982: Heap buffer overflow pngxrbmp.c     bmp_rle4_fread

ifread.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.

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

Heap-based buffer overflow in the bmp_read_rows function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file.

Off-by-one error in the bmp_rle4_fread function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file, which triggers a heap-based buffer overflow.

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.

The remote host is affected by the vulnerability described in GLSA-201608-01 (OptiPNG: Multiple vulnerabilities)

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

    A remote attacker could entice a user to open a specially crafted image       file resulting in the 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.

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2951-1 advisory.

    Gustavo Grieco 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.
    (CVE-2015-7801)

    Gustavo Grieco 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.
    (CVE-2015-7802)

    Hans Jerry Illikainen 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. (CVE-2016-2191)

    Henri Salo 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. (CVE-2016-3981)

    Henri Salo 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. (CVE-2016-3982)

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.

optipng was updated to fix one security issue.

This security issue was fixed :

  - CVE-2016-2191: Invalid write while processing bitmap     images (bsc#973992).

  - CVE-2016-3981: Heap buffer overflow pngxrbmp.c     bmp_read_rows 

  - CVE-2016-3982: Heap buffer overflow pngxrbmp.c     bmp_rle4_fread

ID	Name	Product	Family	Published	Updated	Severity
90453	Debian DSA-3546-1 : optipng - security update	Nessus	Debian Local Security Checks	4/13/2016	1/11/2021	high
196442	RHEL 7 : optipng (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	high
90560	openSUSE Security Update : optipng (openSUSE-2016-468)	Nessus	SuSE Local Security Checks	4/18/2016	1/19/2021	high
97220	FreeBSD : optipng -- multiple vulnerabilities (8fedf75c-ef2f-11e6-900e-003048f78448)	Nessus	FreeBSD Local Security Checks	2/17/2017	1/4/2021	high
199733	RHEL 7 : optipng (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/3/2024	high
92852	GLSA-201608-01 : OptiPNG: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	8/11/2016	1/11/2021	high
90589	Ubuntu 14.04 LTS : OptiPNG vulnerabilities (USN-2951-1)	Nessus	Ubuntu Local Security Checks	4/19/2016	8/27/2024	high
90561	openSUSE Security Update : optipng (openSUSE-2016-469)	Nessus	SuSE Local Security Checks	4/18/2016	1/19/2021	high

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