FreeBSD : png -- multiple vulnerabilities (172acf78-780c-11dc-b3f4-0016179b2dd5)

This script is Copyright (C) 2007-2016 Tenable Network Security, Inc.

Synopsis :

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

Description :

A Secunia Advisory reports :

Some vulnerabilities have been reported in libpng, which can be
exploited by malicious people to cause a DoS (Denial of Service).

Certain errors within libpng, including a logical NOT instead of a
bitwise NOT in pngtrtran.c, an error in the 16bit cheap transparency
extension, and an incorrect use of sizeof() may be exploited to crash
an application using the library.

Various out-of-bounds read errors exist within the functions
png_handle_pCAL(), png_handle_sCAL(), png_push_read_tEXt(),
png_handle_iTXt(), and png_handle_ztXt(), which may be exploited by
exploited to crash an application using the library.

The vulnerability is caused due to an off-by-one error within the ICC
profile chunk handling, which potentially can be exploited to crash an
application using the library.

See also :

Solution :

Update the affected package.

Risk factor :

Medium / CVSS Base Score : 5.0

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 26977 (freebsd_pkg_172acf78780c11dcb3f40016179b2dd5.nasl)

Bugtraq ID:

CVE ID: CVE-2007-5266

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