Vulnerability CVE-2013-6449

Vulnerability CVE-2013-6449

Published: 2013-12-23 Modified: 2013-12-24

Description:

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	OpenSSL 1.0.1e Incorrect Version Number ssl_get_algorithm2() Remote DoS	Dr. Stephen Hens...	05.01.2014

Type:

CWE-310

(Cryptographic Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
4.3/10	2.9/10	8.6/10

Exploit range	Attack complexity	Authentication
Remote	Medium	No required
Confidentiality impact	Integrity impact	Availability impact
None	None	Partial

Affected software
Openssl -> Openssl

References:

http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=ca989269a2876bae79393bd54c3e72d49975fc75

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124833.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124854.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124858.html

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html

http://lists.opensuse.org/opensuse-updates/2014-01/msg00006.html

http://lists.opensuse.org/opensuse-updates/2014-01/msg00009.html

http://lists.opensuse.org/opensuse-updates/2014-01/msg00012.html

http://lists.opensuse.org/opensuse-updates/2014-01/msg00031.html

http://rhn.redhat.com/errata/RHSA-2014-0015.html

http://rhn.redhat.com/errata/RHSA-2014-0041.html

http://rt.openssl.org/Ticket/Display.html?id=3200&user=guest&pass=guest

http://seclists.org/fulldisclosure/2014/Dec/23

http://security.gentoo.org/glsa/glsa-201412-39.xml

http://www-01.ibm.com/support/docview.wss?uid=isg400001841

http://www-01.ibm.com/support/docview.wss?uid=isg400001843

http://www.debian.org/security/2014/dsa-2833

http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html

http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html

http://www.securityfocus.com/archive/1/534161/100/0/threaded

http://www.securityfocus.com/bid/64530

http://www.securitytracker.com/id/1029548

http://www.ubuntu.com/usn/USN-2079-1

http://www.vmware.com/security/advisories/VMSA-2014-0012.html

https://bugzilla.redhat.com/show_bug.cgi?id=1045363

https://issues.apache.org/jira/browse/TS-2355

Vulnerability CVE-2013-6449

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

See advisories in our WLB2 database:

Med.

OpenSSL 1.0.1e Incorrect Version Number ssl_get_algorithm2() Remote DoS

CWE-310

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

4.3/10

2.9/10

8.6/10

Remote

Medium

No required

None

None

Partial

Affected software

References: