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Debian DSA-2388-1 : t1lib - several vulnerabilities

high Nessus Plugin ID 57542

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Synopsis

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

Description

Several vulnerabilities were discovered in t1lib, a Postscript Type 1 font rasterizer library, some of which might lead to code execution through the opening of files embedding bad fonts.

 - CVE-2010-2642 A heap-based buffer overflow in the AFM font metrics parser potentially leads to the execution of arbitrary code.

 - CVE-2011-0433 Another heap-based buffer overflow in the AFM font metrics parser potentially leads to the execution of arbitrary code.

 - CVE-2011-0764 An invalid pointer dereference allows execution of arbitrary code using crafted Type 1 fonts.

 - CVE-2011-1552 Another invalid pointer dereference results in an application crash, triggered by crafted Type 1 fonts.

 - CVE-2011-1553 A use-after-free vulnerability results in an application crash, triggered by crafted Type 1 fonts.

 - CVE-2011-1554 An off-by-one error results in an invalid memory read and application crash, triggered by crafted Type 1 fonts.

Solution

Upgrade the t1lib packages.

For the oldstable distribution (lenny), this problem has been fixed in version 5.1.2-3+lenny1.

For the stable distribution (squeeze), this problem has been fixed in version 5.1.2-3+squeeze1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652996

https://security-tracker.debian.org/tracker/CVE-2010-2642

https://security-tracker.debian.org/tracker/CVE-2011-0433

https://security-tracker.debian.org/tracker/CVE-2011-0764

https://security-tracker.debian.org/tracker/CVE-2011-1552

https://security-tracker.debian.org/tracker/CVE-2011-1553

https://security-tracker.debian.org/tracker/CVE-2011-1554

https://packages.debian.org/source/squeeze/t1lib

https://www.debian.org/security/2012/dsa-2388

Plugin Details

Severity: High

ID: 57542

File Name: debian_DSA-2388.nasl

Version: 1.9

Type: local

Agent: unix

Published: 1/16/2012

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:t1lib, cpe:/o:debian:debian_linux:5.0, cpe:/o:debian:debian_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/14/2012

Reference Information

CVE: CVE-2010-2642, CVE-2011-0433, CVE-2011-0764, CVE-2011-1552, CVE-2011-1553, CVE-2011-1554

BID: 45678, 46941, 47168, 47169

DSA: 2388