SB2020022448 - OS Command Injection in cvs (Alpine package)
Published: February 24, 2020
Security Bulletin ID
SB2020022448
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) OS Command Injection (CVE-ID: CVE-2017-12836)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when processing characters in the URL of a remote repository within SSH client. A remote attacker can trick the victim to use a specially crafted connection URL, inject and execute arbitrary OS commands on the client's 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