CVE-2017-5336

Publication date 11 January 2017

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
gnutls26 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 2.12.23-12ubuntu2.6
12.04 LTS precise
Fixed 2.12.14-5ubuntu3.13
gnutls28 19.04 disco
Fixed 3.5.6-4ubuntu3
18.10 cosmic
Fixed 3.5.6-4ubuntu3
18.04 LTS bionic
Fixed 3.5.6-4ubuntu3
17.10 artful
Fixed 3.5.6-4ubuntu3
17.04 zesty
Fixed 3.5.6-4ubuntu3
16.10 yakkety
Fixed 3.5.3-5ubuntu1.1
16.04 LTS xenial
Fixed 3.4.10-4ubuntu1.2
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Notes


mdeslaur

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gnutls28

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
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

References

Related Ubuntu Security Notices (USN)

    • USN-3183-1
    • GnuTLS vulnerabilities
    • 1 February 2017

Other references