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Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
Adam Langley and Wolfgang Ettlingers discovered that OpenSSL
incorrectly handled certain crafted CBC data when used with AES-NI. A
remote attacker could use this issue to cause OpenSSL to crash,
resulting in a denial of service. This issue only affected Ubuntu
12.04 LTS and Ubuntu 12.10. (CVE-2012-2686)
Stephen Henson discovered that OpenSSL incorrectly performed signature
verification for OCSP responses. A remote attacker could use this
issue to cause OpenSSL to crash, resulting in a denial of service.
Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as
used in OpenSSL was vulnerable to a timing side-channel attack known
as the 'Lucky Thirteen' issue. A remote attacker could use this issue
to perform plaintext-recovery attacks via analysis of timing data.
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.
Update the affected libssl0.9.8 and / or libssl1.0.0 packages.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 64798 ()
Bugtraq ID: 5775557778
CVE ID: CVE-2012-2686CVE-2013-0166CVE-2013-0169
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