Vulnerability CVE-2013-6449


Published: 2013-12-23   Modified: 2015-04-14

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

Vendor: Openssl
Product: Openssl 
Version:
1.0.1e
1.0.1d
1.0.1c
1.0.1b
1.0.1a
1.0.1
1.0.0j
1.0.0i
1.0.0h
1.0.0g
1.0.0f
1.0.0e
1.0.0d
1.0.0c
1.0.0b
1.0.0a
1.0.0

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

 References:
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=ca989269a2876bae79393bd54c3e72d49975fc75
https://issues.apache.org/jira/browse/TS-2355
https://bugzilla.redhat.com/show_bug.cgi?id=1045363
http://www.vmware.com/security/advisories/VMSA-2014-0012.html
http://www.ubuntu.com/usn/USN-2079-1
http://www.securitytracker.com/id/1029548
http://www.securityfocus.com/bid/64530
http://www.securityfocus.com/archive/1/archive/1/535181/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/534161/100/0/threaded
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://www.debian.org/security/2014/dsa-2833
http://www-01.ibm.com/support/docview.wss?uid=isg400001843
http://www-01.ibm.com/support/docview.wss?uid=isg400001841
http://security.gentoo.org/glsa/glsa-201412-39.xml
http://seclists.org/fulldisclosure/2015/Apr/5
http://seclists.org/fulldisclosure/2014/Dec/23
http://rt.openssl.org/Ticket/Display.html?id=3200&user=guest&pass=guest
http://rhn.redhat.com/errata/RHSA-2014-0041.html
http://rhn.redhat.com/errata/RHSA-2014-0015.html
http://packetstormsecurity.com/files/131271/VMware-Security-Advisory-2015-0003.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00031.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00012.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00009.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124858.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124854.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124833.html

Related CVE
CVE-2016-2108
The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "ne...
CVE-2016-2109
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory consumption) via a short invalid encoding.
CVE-2016-2176
The X509_NAME_oneline function in crypto/x509/x509_obj.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to obtain sensitive information from process stack memory or cause a denial of service (buffer over-read) via crafted EB...
CVE-2016-2106
Integer overflow in the EVP_EncryptUpdate function in crypto/evp/evp_enc.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (heap memory corruption) via a large amount of data.
CVE-2016-2107
The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a certain padding check, which allows remote attackers to obtain sensitive cleartext information via a padding-oracle attack against...
CVE-2016-2105
Integer overflow in the EVP_EncodeUpdate function in crypto/evp/encode.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (heap memory corruption) via a large amount of binary data.
CVE-2000-1254
crypto/rsa/rsa_gen.c in OpenSSL before 0.9.6 mishandles C bitwise-shift operations that exceed the size of an expression, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging improper RSA key generati...
CVE-2016-2842
The doapr_outch function in crypto/bio/b_print.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not verify that a certain memory allocation succeeds, which allows remote attackers to cause a denial of service (out-of-bounds write or memo...

Copyright 2016, cxsecurity.com