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CVE-2017-5336

Published: 11 January 2017

Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.

Notes

AuthorNote
mdeslaur
reproducer https://gitlab.com/gnutls/gnutls/commit/611098e2f01fd8c3a5a625d61f26c56fcb3d770c

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
Released (2.12.14-5ubuntu3.13)
trusty
Released (2.12.23-12ubuntu2.6)
upstream Needs triage

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 Needs triage

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/5140422e0d7319a8e2fe07f02cbcafc4d6538732
upstream: https://gitlab.com/gnutls/gnutls/commit/7dec871f82e205107a81281e3286f0aa9caa93b3

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