Access of Uninitialized Pointer Affecting gnutls package, versions <0:3.6.8-8.el8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed1 Apr 2019
Introduced: 1 Apr 2019
CVE-2019-3836 (opens in a new tab)How to fix?
Upgrade Oracle:8 gnutls to version 0:3.6.8-8.el8 or higher.
This issue was patched in ELSA-2019-3600.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls package and not the gnutls package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
References
- https://linux.oracle.com/cve/CVE-2019-3836.html
- https://linux.oracle.com/errata/ELSA-2019-3600.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html
- https://access.redhat.com/errata/RHSA-2019:3600
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836
- https://gitlab.com/gnutls/gnutls/issues/704
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security.gentoo.org/glsa/201904-14
- https://security.netapp.com/advisory/ntap-20190502-0005/
- https://usn.ubuntu.com/3999-1/