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CentOS Update for libtiff CESA-2009:1159 centos5 i386

Information

Severity

Severity

Critical

Family

Family

CentOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

9.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

3 years ago

Summary

The remote host is missing an update for the 'libtiff' package(s) announced via the referenced advisory.

Insight

Insight

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Several integer overflow flaws, leading to heap-based buffer overflows, were found in various libtiff color space conversion tools. An attacker could create a specially-crafted TIFF file, which once opened by an unsuspecting user, would cause the conversion tool to crash or, potentially, execute arbitrary code with the privileges of the user running the tool. (CVE-2009-2347) A buffer underwrite flaw was found in libtiff's Lempel-Ziv-Welch (LZW) compression algorithm decoder. An attacker could create a specially-crafted LZW-encoded TIFF file, which once opened by an unsuspecting user, would cause an application linked with libtiff to access an out-of-bounds memory location, leading to a denial of service (application crash). (CVE-2009-2285) The CVE-2009-2347 flaws were discovered by Tielei Wang from ICST-ERCIS, Peking University. All libtiff users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing this update, all applications linked with the libtiff library (such as Konqueror) must be restarted for the update to take effect.

Affected Software

Affected Software

libtiff on CentOS 5

Solution

Solution

Please install the updated packages.

Common Vulnerabilities and Exposures (CVE)