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Debian Security Advisory DSA 3556-1 (libgd2 - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

8 months ago

Summary

Hans Jerry Illikainen discovered that libgd2, a library for programmatic graphics creation and manipulation, suffers of a signedness vulnerability which may result in a heap overflow when processing specially crafted compressed gd2 data. A remote attacker can take advantage of this flaw to cause an application using the libgd2 library to crash, or potentially, to execute arbitrary code with the privileges of the user running the application.

Affected Software

Affected Software

libgd2 on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the oldstable distribution (wheezy), this problem has been fixed in version 2.0.36~rc1~dfsg-6.1+deb7u2. For the stable distribution (jessie), this problem has been fixed in version 2.1.0-5+deb8u1. For the unstable distribution (sid), this problem has been fixed in version 2.1.1-4.1. We recommend that you upgrade your libgd2 packages.

Common Vulnerabilities and Exposures (CVE)