SB2014041717 - NULL pointer dereference in php (Alpine package)
Published: April 17, 2014
Security Bulletin ID
SB2014041717
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2013-7327)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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 a NULL pointer dereference error when the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check return value. A remote attacker can trigger NULL pointer dereference via invalid imagecrop arguments and cause the service to crash.
Remediation
Install update from vendor's website.