SB2018020804 - Denial of service in GraphicsMagick
Published: February 8, 2018
Security Bulletin ID
SB2018020804
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap overwrite (CVE-ID: CVE-2018-6799)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/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 cause DoS condition on the target system.
The weakness exists in the AcquireCacheNexus function in the magick/pixel_cache.c source code due to heap overwrite. A remote attacker can submit a specially crafted image file, trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.