SB2016072301 - Format string error in Dropbear SSH server
Published: July 23, 2016
Security Bulletin ID
SB2016072301
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Format string error (CVE-ID: N/A)
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.
The vulnerability exists due to a format string error when handling usernames, containing format string characters (e.g. %) in getpwnam() function. A remote attacker with the ability to manipulate his username can execute arbitrary code on the target system.
Successful exploitation may allow an attacker to gain complete control over the vulnerable system.
Remediation
Install update from vendor's website.