CVE-2017-5337

Publication date 11 January 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate.

Read the notes from the security team

Status

Show unmaintained releases

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/d949c6266ce64f5c2419f8c7cf4a196122fff9d7 https://gitlab.com/gnutls/gnutls/commit/e08b66b7cb4bc3f7ad56d081f0357ec1d39aa4ec

Patch details

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

Package	Patch details
gnutls28	Upstream: 94fcf16 Upstream: 6231a4a

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