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CVE-2019-3829

Published: 27 March 2019

A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. A memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.

Notes

AuthorNote
mdeslaur
3.5.8 or later

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
gnutls26
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Not vulnerable
(code not present)
xenial Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

gnutls28
Launchpad, Ubuntu, Debian
upstream
Released (3.6.7)
trusty Does not exist
(trusty was not-affected [code not present])
xenial Not vulnerable
(code not present)
bionic
Released (3.5.18-1ubuntu1.1)
cosmic
Released (3.6.4-2ubuntu1.2)
disco
Released (3.6.5-2ubuntu1.1)
Patches:
upstream: https://gitlab.com/gnutls/gnutls/commit/d39778e43d1674cb3ab3685157fd299816d535c0 (3.6)
upstream: https://gitlab.com/gnutls/gnutls/commit/372821c883a3d36ed3ed683844ad9d90818f6392 (3.6)
upstream: https://gitlab.com/gnutls/gnutls/commit/6b5cbc9ea5bdca704bdbe2f8fb551f720d634bc6 (3.6)
upstream: https://gitlab.com/gnutls/gnutls/commit/ad27713bef613e6c4600a0fb83ae48c6d390ff5b (3.6 test)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H