Vulnerability CVE-2013-2053
Published: 2013-07-09

Description:
Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2052 and CVE-2013-2054.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Xelerance -> Openswan 
Openswan -> Openswan 

 References:
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00008.html
http://rhn.redhat.com/errata/RHSA-2013-0827.html
http://www.debian.org/security/2014/dsa-2893
http://www.securityfocus.com/bid/59838
https://bugzilla.redhat.com/show_bug.cgi?id=960229
https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html
https://www.openswan.org/news/13
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