Red Hat Bugzilla – Bug 1025637
CVE-2013-4487 gnutls: dane_query_tlsa() CVE-2013-4466 fix off-by-one
Last modified: 2016-03-04 07:37:56 EST
GnuTLS upstream recently fixed a bug, which seems to have emerged due to the fix implemented in CVE-2013-4466.
Upstream recommends to update to GnuTLS 3.1.16 and 3.2.6.
Created gnutls tracking bugs for this issue:
Affects: fedora-all [bug 1025638]
This CVE is for an incorrect fix for CVE-2013-4466 (see bug 1022913). It contained an off-by-one error, causing it to possibly write 5 entries to 4 slot arrays in dane_query_st / dane_query_t. Problem is already mentioned in bug 1022913 comment 7.
This issue was discovered by Tomas Mraz of Red Hat.
Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include support for DANE protocol.
gnutls-3.1.16-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
gnutls-3.1.16-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.