SB2015101602 - Ubuntu update for OpenSSL
Published: October 16, 2015
Security Bulletin ID
SB2015101602
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) SRTP Memory Leak (CVE-ID: CVE-2014-3513)
The vulnerability allows a remote attacker to obtain potentially sensitive information and cause denial of service.The vulnerability exists due to a parsing error within DTLS SRTP extension in OpenSSL. A remote attacker can send a carefully crafted handshake message and free up to 64k of memory or cause denial of service conditions.
Successful exploitation of the vulnerability may allow an attacker to obtain potentially sensitive data, stored in system memory, or cause the affected service to fail.
2) Session Ticket Memory Leak (CVE-ID: CVE-2014-3567)
The vulnerability allows a remote attacker to cause denial of service.The vulnerability exists due to an error when handling integrity of session tickets in OpenSSL. A remote attacker can send a large number of invalid session tickets and cause denial of service conditions.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.