CVE-2019-0197

Publication date 11 June 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

4.2 · Medium

Score breakdown

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

Status

Package Ubuntu Release Status
apache2 19.04 disco
Fixed 2.4.38-2ubuntu2.2
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.10
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

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

References

Related Ubuntu Security Notices (USN)

    • USN-4113-1
    • Apache HTTP Server vulnerabilities
    • 29 August 2019

Other references