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CVE-2019-17266

Published: 6 October 2019

libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libsoup2.4
Launchpad, Ubuntu, Debian
bionic
Released (2.62.1-1ubuntu0.4)
disco
Released (2.66.1-1ubuntu0.1)
trusty Does not exist

upstream
Released (2.68.2)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H