SB2020022447 - Heap-based buffer overflow in cvs (Alpine package)
Published: February 24, 2020
Security Bulletin ID
SB2020022447
Severity
Medium
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) Heap-based buffer overflow (CVE-ID: CVE-2012-0804)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in proxy_connect function in src/client.c in CVS when processing HTTP responses. A remote attacker can pass specially crafted data 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=254098d5ef34e30120e51a521573ed7eb0666100
- https://git.alpinelinux.org/aports/commit/?id=f4d7bda112c1d5a48b63c0d4c8f0949df43e7e97
- https://git.alpinelinux.org/aports/commit/?id=ea612159fb42a3276203bef5c374da467d8b049b
- https://git.alpinelinux.org/aports/commit/?id=8cdd93154aeb43702a196270e3818bf2466c3e0c
- https://git.alpinelinux.org/aports/commit/?id=ff0ba778a6651a6d66c94171e62dd4644c239039