Ubuntu update for OpenSSL

Published: 2015-10-16

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2014-3513 CVE-2014-3567
CWE-ID	CWE-401
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) SRTP Memory Leak

EUVDB-ID: #VU5212

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-3513

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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.

Mitigation

Update the affected packages

Ubuntu 14.04 LTS:

libssl1.0.0 1.0.1f-1ubuntu2.7

Ubuntu 12.04 LTS:

libssl1.0.0 1.0.1-4ubuntu5.20

Ubuntu 10.04 LTS:

libssl0.9.8 0.9.8k-7ubuntu8.22

Vulnerable software versions

Ubuntu: 12.04 - 14.04

External links

http://www.ubuntu.com/usn/usn-2385-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Session Ticket Memory Leak

EUVDB-ID: #VU5213