SB2019081368 - Buffer overflow in pango (Alpine package)
Published: August 13, 2019 Updated: February 10, 2022
Security Bulletin ID
SB2019081368
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) Buffer overflow (CVE-ID: CVE-2019-1010238)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing utf-8 strings in the pango_log2vis_get_embedding_levels() function in pango-bidi-type.c. A remote attacker can pass a specially crafted string to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=25cb94377c7b8ae02a755e95a0604e3cae44697b
- https://git.alpinelinux.org/aports/commit/?id=20c85db5b49de3ada3bd998b48b44038074c5e45
- https://git.alpinelinux.org/aports/commit/?id=22b27671b5953ab79dbe6f4f5deb6c57856b0586
- https://git.alpinelinux.org/aports/commit/?id=3f7f1749c88d4b23d858b584d358fadd836429da
- https://git.alpinelinux.org/aports/commit/?id=c54edf64e725d2a17c8bb0443ed1221156f951ea