CVE-2013-1619

Public Exploit

Description

The TLS implementation in GnuTLS before 2.12.23, 3.0.x before 3.0.28, and 3.1.x before 3.1.7 does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.22% Top 25%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/57260 third party advisory
https://gitorious.org/gnutls/gnutls/commit/328ee22c1b3951e060c7124c7cb1cee592c59bc0 patch exploit
http://www.gnutls.org/security.html#GNUTLS-SA-2013-1
http://www.isg.rhul.ac.uk/tls/TLStiming.pdf
http://secunia.com/advisories/57274 third party advisory
http://openwall.com/lists/oss-security/2013/02/05/24 mailing list
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00003.html vendor advisory
http://nmav.gnutls.org/2013/02/time-is-money-for-cbc-ciphersuites.html
http://www.ubuntu.com/usn/USN-1752-1 vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-05/msg00023.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00009.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0588.html vendor advisory
https://gitorious.org/gnutls/gnutls/commit/b8391806cd79095fe566f2401d8c7ad85a64b198 patch exploit

Frequently Asked Questions

What is the severity of CVE-2013-1619?
CVE-2013-1619 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1619?
To fix CVE-2013-1619, 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-2013-1619 being actively exploited in the wild?
It is possible that CVE-2013-1619 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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