SB2018021625 - Use-after-free error in irssi (Alpine package)
Published: February 16, 2018
Security Bulletin ID
SB2018021625
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) Use-after-free error (CVE-ID: CVE-2018-7053)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to a use-after-free when SASL messages are received in unexpected order. A remote attacker can use a non-conforming ircd, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.