SB2015092642 - Debian update for libgd2

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2015092642

SB2015092642 - Debian update for libgd2

Published: September 26, 2015

Security Bulletin ID SB2015092642
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2007-0455)

CWE-ID: CWE-120 - Buffer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists in the gdImageStringFTEx function in gdft.c due to buffer overflow. A remote attacker can cause the service to crash or execute arbitrary code via a specially crafted string with a JIS encoded font.

Successful exploitation of the vulnerability may result in system comprmise.


2) Memory corruption (CVE-ID: CVE-2009-3546)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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

The weakness exists in the _gdGetColors function in gd_gd.c due to improper verification of a certain colorsTotal structure member. A remote attacker can trick the victim into opening a specially crafted GD file, trigger buffer over-read or buffer overflow and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


Remediation

Install update from vendor's website.

References