SB2012011705 - Division by zero in libpng



SB2012011705 - Division by zero in libpng

Published: January 17, 2012 Updated: August 11, 2020

Security Bulletin ID SB2012011705
CSH Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Division by zero (CVE-ID: CVE-2011-3328)

CWE-ID: CWE-369 - Divide By Zero

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to divide-by-zero error within The png_handle_cHRM function in pngrutil.c in libpng 1.5.4, when color-correction support is enabled,. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a malformed PNG image containing a cHRM chunk associated with a certain zero value.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.