SB2019012104 - Denial of service in Cairo
Published: January 21, 2019 Updated: July 13, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Infinite loop (CVE-ID: CVE-2019-6462)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
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:P/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the function _arc_error_normalized in the file cairo-arc.c, related to _arc_max_angle_for_tolerance_normalized. A remote attacker can consume all available system resources and cause denial of service conditions.
2) Reachable Assertion (CVE-ID: CVE-2019-6461)
CWE-ID: CWE-617 - Reachable Assertion
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:P/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion in the function _cairo_arc_in_direction in the file cairo-arc.c. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.