SB2018110636 - Assertion failure in pango (Alpine package)
Published: November 6, 2018
Security Bulletin ID
SB2018110636
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) Assertion failure (CVE-ID: CVE-2018-15120)
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 cause DoS condition on the target system.
The vulnerability exists due to insufficient validation of user-supplied input processed by the pango/pango-emoji.c source code file. A remote attacker can type a series of invalid Unicode characters in the affected application, trigger an assertion failure and cause the application to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=8df2e612afa95cbd39b95d75203e7d3a060fb2a6
- https://git.alpinelinux.org/aports/commit/?id=6e92ac882e18c84c34dae56032455014d154b697
- https://git.alpinelinux.org/aports/commit/?id=648d75ad65dee2318f7993e58e83cd26b64e291f
- https://git.alpinelinux.org/aports/commit/?id=684888b0f6c5624eef4f30a93821830c29483953