SB2019050308 - Buffer overflow in PHP imagick extension
Published: May 3, 2019 Updated: November 26, 2019
Security Bulletin ID
SB2019050308
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-2019-11037)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the ImagickKernel::fromMatrix() function in PHP imagick extension. A remote attacker can create a specially crafted file, pass it to the application, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.