Ubuntu 10.04 LTS / 12.04 LTS / 14.04 LTS : openssl vulnerabilities (USN-2385-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

It was discovered that OpenSSL incorrectly handled memory when parsing
DTLS SRTP extension data. A remote attacker could possibly use this
issue to cause OpenSSL to consume resources, resulting in a denial of
service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04
LTS. (CVE-2014-3513)

It was discovered that OpenSSL incorrectly handled memory when
verifying the integrity of a session ticket. A remote attacker could
possibly use this issue to cause OpenSSL to consume resources,
resulting in a denial of service. (CVE-2014-3567)

In addition, this update introduces support for the TLS Fallback
Signaling Cipher Suite Value (TLS_FALLBACK_SCSV). This new feature
prevents protocol downgrade attacks when certain applications such as
web browsers attempt to reconnect using a lower protocol version for
interoperability reasons.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libssl0.9.8 and / or libssl1.0.0 packages.

Risk factor :

High / CVSS Base Score : 7.1
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 78538 ()

Bugtraq ID: 70584
70586

CVE ID: CVE-2014-3513
CVE-2014-3567

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