CVE-2013-2053

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.65% Top 20%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory openswan.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2013-2053?
CVE-2013-2053 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2053?
To fix CVE-2013-2053, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2053 being actively exploited in the wild?
It is possible that CVE-2013-2053 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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