SB2009120903 - Use-after-free in openssl (Alpine package)
Published: December 9, 2009
Security Bulletin ID
SB2009120903
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2009-1379)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate. A remote attackers can cause a denial of service (openssl s_client crash) and possibly have unspecified other impact.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.