Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2017-5335

Published: 11 January 2017

The stream reading functions in lib/opencdk/read-packet.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to cause a denial of service (out-of-memory error and crash) via a crafted OpenPGP certificate.

Notes

AuthorNote
mdeslaur
reproducer https://gitlab.com/gnutls/gnutls/commit/65ee81db857d3b44cec76aa94361abe5427430d8

Priority

Medium

Cvss 3 Severity Score

7.5

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
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/49be4f7b82eba2363bb8d4090950dad976a77a3a
upstream: https://gitlab.com/gnutls/gnutls/commit/61009ee749a27c90d141e3d4b2ebaebe9934422d (post 3.5.8)
upstream: https://gitlab.com/gnutls/gnutls/commit/785af1ab577f899d2e54172ff120f404709bf172 (3.3)

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