PT-2019-4465 · Gnu+5 · Gnutls+5

Published 2019-02-18 · Updated 2024-06-15 · CVE-2019-3836

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions gnutls versions 3.6.3 through 3.6.6

Description The issue is related to an uninitialized pointer access in the gnutls library, which can be triggered by certain post-handshake messages, potentially allowing a remote attacker to cause a denial of service when receiving asynchronous messages.

Recommendations For gnutls versions 3.6.3 through 3.6.6, update to version 3.6.7 or later to resolve the issue.

Exploit

Fix

Access of Uninitialized Pointer

Weakness Enumeration

CWE-456

CWE-824

Related Identifiers

ALT-PU-2019-1542

BDU:2020-00252

CESA-2019_3600

CVE-2019-3836

OPENSUSE-SU-2019:1353-1

OPENSUSE-SU-2019_1353-1

OPENSUSE-SU-2024:10801-1

RHSA-2019:3600

RHSA-2019_3600

SUSE-SU-2019:1121-1

USN-3999-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Gnutls

References · 64

• 🔥 https://gitlab.com/gnutls/gnutls/issues/704 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10845 · Security Note
• https://bdu.fstec.ru/vul/2020-01598 · Security Note
• https://usn.ubuntu.com/3999-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2019-3836 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-3836 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05201 · Security Note
• https://bdu.fstec.ru/vul/2020-01599 · Security Note
• https://security.gentoo.org/glsa/201904-14 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-3600.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00776 · Security Note
• https://ubuntu.com/security/notices/USN-3999-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:1121-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3836 · Security Note