SB2012010702 - Multiple vulnerabilities in Techland Chrome

Security Bulletin ID SB2012010702

Severity

Medium

Patch available

YES

Number of vulnerabilities 3

Exploitation vector Remote access

Highest impact Data manipulation

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2011-3921)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing vectors involving animation frames. A remote attackers can cause a denial of service or possibly have unspecified other impact.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

2) Stack-based buffer overflow (CVE-ID: CVE-2011-3922)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing vectors related to glyph handling. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

3) Heap-based buffer overflow (CVE-ID: CVE-2011-3919)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75,. A remote attacker can use unknown vectors. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

SB2012010702 - Multiple vulnerabilities in Techland Chrome

Breakdown by Severity

Description

Remediation

References