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CVE-2019-11454

Published: 22 April 2019

Persistent cross-site scripting (XSS) in http/cervlet.c in Tildeslash Monit before 5.25.3 allows a remote unauthenticated attacker to introduce arbitrary JavaScript via manipulation of an unsanitized user field of the Authorization header for HTTP Basic Authentication, which is mishandled during an _viewlog operation.

From the Ubuntu Security Team

Zack Flack discovered that Monit incorrectly handled certain input. A remote authenticated user could exploit this to conduct cross-site scripting (XSS) attacks.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
monit
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(1:5.25.3-1)
jammy Not vulnerable
(1:5.25.3-1)
bionic
Released (1:5.25.1-1ubuntu0.1~esm1)
Available with Ubuntu Pro
cosmic
Released (1:5.25.2-1ubuntu0.1)
disco
Released (1:5.25.2-3ubuntu0.1)
eoan Ignored
(end of life)
focal Not vulnerable
(1:5.25.3-1)
groovy Not vulnerable
(1:5.25.3-1)
impish Not vulnerable
(1:5.25.3-1)
kinetic Not vulnerable
(1:5.25.3-1)
lunar Not vulnerable
(1:5.25.3-1)
trusty
Released (1:5.6-2ubuntu0.1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needed

xenial
Released (1:5.16-2ubuntu0.2+esm1)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N