USN-3937-2: Apache vulnerabilities
apache2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
Several security issues were fixed in Apache.
Software Description
- apache2 – Apache HTTP server
Details
USN-3937-1 and USN-3627-1 fixed several vulnerabilities in Apache.
This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Simon Kappel discovered that the Apache HTTP Server mod_auth_digest module
incorrectly handled threads. A remote attacker with valid credentials could
possibly use this issue to authenticate using another username, bypassing
access control restrictions. (CVE-2019-0217)
Alex Nichols and Jakob Hirsch discovered that the Apache HTTP Server mod_authnz_ldap
module incorrectly handled missing charset encoding headers. A remote attacker
could possibly use this issue to cause the server to crash, resulting in a denial of
service. (CVE-2017-15710)
Robert Swiecki discovered that the Apache HTTP Server incorrectly handled
certain requests. A remote attacker could possibly use this issue to cause
the server to crash, leading to a denial of service. (CVE-2018-1301)
Nicolas Daniels discovered that the Apache HTTP Server incorrectly generated
the nonce when creating HTTP Digest authentication challenges. A remote attacker
could possibly use this issue to replay HTTP requests across a cluster of servers.
(CVE-2018-1312)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 12.04 ESM
- apache2.2-bin – 2.2.22-1ubuntu1.15
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3937-2: Apache vulnerabilities
