CVE-2012-1573

Public Exploit

Description

gnutls_cipher.c in libgnutls in GnuTLS before 2.12.17 and 3.x before 3.0.15 does not properly handle data encrypted with a block cipher, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) via a crafted record, as demonstrated by a crafted GenericBlockCipher structure.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 9.56% Top 10%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-1418-1 vendor advisory
http://secunia.com/advisories/57260 third party advisory
http://rhn.redhat.com/errata/RHSA-2012-0531.html vendor advisory
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5912 mailing list
http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commit%3Bh=b495740f2ff66550ca9395b3fda3ea32c3acb185
https://bugzilla.redhat.com/show_bug.cgi?id=805432
http://secunia.com/advisories/48511 third party advisory
http://osvdb.org/80259 vdb entry
http://www.securityfocus.com/bid/52667 vdb entry
http://www.openwall.com/lists/oss-security/2012/03/21/5 mailing list
http://secunia.com/advisories/48488 third party advisory
http://secunia.com/advisories/48712 third party advisory
http://www.gnu.org/software/gnutls/security.html vendor advisory
http://www.securitytracker.com/id?1026828 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077071.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076496.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0488.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html vendor advisory
http://secunia.com/advisories/48596 third party advisory
http://blog.mudynamics.com/2012/03/20/gnutls-and-libtasn1-vulns/ exploit
http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commit%3Bh=422214868061370aeeb0ac9cd0f021a5c350a57d
http://www.openwall.com/lists/oss-security/2012/03/21/4 mailing list
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5910 mailing list
http://www.debian.org/security/2012/dsa-2441 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:040 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0429.html vendor advisory
http://archives.neohapsis.com/archives/bugtraq/2012-03/0099.html mailing list

Frequently Asked Questions

What is the severity of CVE-2012-1573?
CVE-2012-1573 has been scored as a medium severity vulnerability.
How to fix CVE-2012-1573?
To fix CVE-2012-1573, 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-2012-1573 being actively exploited in the wild?
It is possible that CVE-2012-1573 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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