VulnerabilityModified
CVE-2019-3836
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.
HIGH 7.5EPSS 3.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.40% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-456, CWE-824
- Affected
- gnu/gnutls · fedoraproject/fedora · opensuse/leap
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3600
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836Issue Tracking, Third Party Advisory
- https://gitlab.com/gnutls/gnutls/issues/704Exploit, Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security.gentoo.org/glsa/201904-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0005/Third Party Advisory
- https://usn.ubuntu.com/3999-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3600
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836Issue Tracking, Third Party Advisory
- https://gitlab.com/gnutls/gnutls/issues/704Exploit, Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security.gentoo.org/glsa/201904-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0005/Third Party Advisory
- https://usn.ubuntu.com/3999-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.