CVE-2019-0217

Publication date 2 April 2019

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded server could allow a user with valid credentials to authenticate using another username, bypassing configured access control restrictions.

Status

Package Ubuntu Release Status
apache2 18.10 cosmic
Fixed 2.4.34-1ubuntu2.1
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.6
16.04 LTS xenial
Fixed 2.4.18-2ubuntu3.10
14.04 LTS trusty
Fixed 2.4.7-1ubuntu4.22

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
apache2

Severity score breakdown

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

References

Related Ubuntu Security Notices (USN)

    • USN-3937-1
    • Apache HTTP Server vulnerabilities
    • 4 April 2019

Other references