SB2016121615 - Out-of-bounds write in tiff (Alpine package)
Published: December 16, 2016
Security Bulletin ID
SB2016121615
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2016-3945)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool due to integer overflow when -b mode is enabled. A remote attacker can trick the victim into opening a specially crafted TIFF image, trigger out-of-bounds write and cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.