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CVE-2022-24070

Published: 12 April 2021

Subversion's mod_dav_svn is vulnerable to memory corruption. While looking up path-based authorization rules, mod_dav_svn servers may attempt to use memory which has already been freed. Affected Subversion mod_dav_svn servers 1.10.0 through 1.14.1 (inclusive). Servers that do not use mod_dav_svn are not affected.

From the Ubuntu Security Team

Thomas WeiƟschuh discovered that subversion servers did not properly handle memory in certain configurations. A remote attacker could potentially use this issue to cause a denial of service or other unspecified impact.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
subversion
Launchpad, Ubuntu, Debian
xenial Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
upstream
Released (1.14.2 and 1.10.8)
focal
Released (1.13.0-3ubuntu0.1)
impish
Released (1.14.1-3ubuntu0.1)
jammy
Released (1.14.1-3ubuntu0.22.04.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H