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CVE-2019-11455

Publication date 22 April 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit before 5.25.3 allows a remote authenticated attacker to retrieve the contents of adjacent memory via manipulation of GET or POST parameters. The attacker can also cause a denial of service (application outage).

From the Ubuntu Security Team

Zack Flack discovered a buffer overread when Monit decoded certain crafted URLs. An attacker could exploit this to leak potentially sensitive information.

Status

Package Ubuntu Release Status
monit 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan Ignored
19.04 disco
Fixed 1:5.25.2-3ubuntu0.1
18.10 cosmic
Fixed 1:5.25.2-1ubuntu0.1
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 8.1 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H