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CVE-2019-16239

Published: 17 September 2019

process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
openconnect
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(8.20-1)
bionic
Released (7.08-3ubuntu0.18.04.2)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(8.05-1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
kinetic Not vulnerable
(9.01-1)
trusty Does not exist

upstream
Released (8.05)
xenial Not vulnerable
(7.08-3ubuntu0.18.04.2)
Patches:
upstream: https://github.com/openconnect/openconnect/commit/875f0a65ab73f4fb581ca870fd3a901bd278f8e8

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