CVE-2019-3829

Published: 27 March 2019

A vulnerability was found in gnutls versions from 3.5.8 before 3.6.7. A memory corruption (double free) vulnerability in the certificate verification API. Any client or server application that verifies X.509 certificates with GnuTLS 3.5.8 or later is affected.

Notes

Author	Note
mdeslaur	3.5.8 or later

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
gnutls26 Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	trusty	Not vulnerable (code not present)
	upstream	Needs triage
	xenial	Does not exist
gnutls28 Launchpad, Ubuntu, Debian	bionic	Released (3.5.18-1ubuntu1.1)
	cosmic	Released (3.6.4-2ubuntu1.2)
	disco	Released (3.6.5-2ubuntu1.1)
	trusty	Does not exist (trusty was not-affected [code not present])
	upstream	Released (3.6.7)
	xenial	Not vulnerable (code not present)
	Patches: upstream: https://gitlab.com/gnutls/gnutls/commit/d39778e43d1674cb3ab3685157fd299816d535c0 upstream: https://gitlab.com/gnutls/gnutls/commit/372821c883a3d36ed3ed683844ad9d90818f6392 upstream: https://gitlab.com/gnutls/gnutls/commit/6b5cbc9ea5bdca704bdbe2f8fb551f720d634bc6 upstream: https://gitlab.com/gnutls/gnutls/commit/ad27713bef613e6c4600a0fb83ae48c6d390ff5b

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

References

Bugs

https://gitlab.com/gnutls/gnutls/issues/694

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