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CVE-2017-5334

Published: 11 January 2017

Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.

Notes

AuthorNote
mdeslaur
looks like this was introduced by
https://gitlab.com/gnutls/gnutls/commit/2bd323f728d75c44a2d7398503178b75e5b63263

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
gnutls26
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Not vulnerable

trusty Not vulnerable

upstream Not vulnerable

xenial Does not exist

yakkety Does not exist

zesty Does not exist

gnutls28
Launchpad, Ubuntu, Debian
artful
Released (3.5.6-4ubuntu3)
bionic
Released (3.5.6-4ubuntu3)
cosmic
Released (3.5.6-4ubuntu3)
disco
Released (3.5.6-4ubuntu3)
precise Ignored
(end of life)
trusty Does not exist
(trusty was needed)
upstream
Released (3.5.8-1)
xenial
Released (3.4.10-4ubuntu1.2)
yakkety
Released (3.5.3-5ubuntu1.1)
zesty
Released (3.5.6-4ubuntu3)
Patches:
upstream: https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b
upstream: https://gitlab.com/gnutls/gnutls/commit/bbfd47d4bb6935b3eddae227deb9f340e2c1a69d (3.3)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H