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FreeBSD : libpng buffer overflow in png_set_PLTE (1886e195-8b87-11e5-90e7-b499baebfeaf)

high Nessus Plugin ID 86876

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

libpng reports :

CVE for a vulnerability in libpng, all versions, in the png_set_PLTE/png_get_PLTE functions. These functions failed to check for an out-of-range palette when reading or writing PNG files with a bit_depth less than 8. Some applications might read the bit depth from the IHDR chunk and allocate memory for a 2^N entry palette, while libpng can return a palette with up to 256 entries even when the bit depth is less than 8.

Solution

Update the affected package.

See Also

https://www.openwall.com/lists/oss-security/2015/11/12/2

https://www.openwall.com/lists/oss-security/2015/12/03/6

http://www.nessus.org/u?3c426181

Plugin Details

Severity: High

ID: 86876

File Name: freebsd_pkg_1886e1958b8711e590e7b499baebfeaf.nasl

Version: 2.10

Type: local

Published: 11/16/2015

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:png, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 11/15/2015

Vulnerability Publication Date: 11/15/2015

Reference Information

CVE: CVE-2015-8126, CVE-2015-8472