Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 623
Alerts This Week
Warning Icon 1 623

Ubuntu 18.04, 19.04: 4113-1 Critical: Apache HTTP Server Security Issues

ubuntu
Calendar Grey August 29, 2019
Dist Ubuntu Esm H88
In August 2019, essential patches addressed various Apache security flaws impacting numerous Ubuntu versions.
Several security issues were fixed in Apache.

Summary

Several security issues were fixed in Apache.

Software Description:

- apache2: Apache HTTP server

Details:

Stefan Eissing discovered that the HTTP/2 implementation in Apache

did not properly handle upgrade requests from HTTP/1.1 to HTTP/2 in

some situations. A remote attacker could use this to cause a denial

of service (daemon crash). This issue only affected Ubuntu 18.04 LTS

and Ubuntu 19.04. (CVE-2019-0197)

Craig Young discovered that a memory overwrite error existed in

Apache when performing HTTP/2 very early pushes in some situations. A

remote attacker could use this to cause a denial of service (daemon

crash). This issue only affected Ubuntu 18.04 LTS and Ubuntu 19.04.

(CVE-2019-10081)

Craig Young discovered that a read-after-free error existed in the

HTTP/2 implementation in Apache during connection shutdown. A remote

attacker could use this to possibly cause a denial of service (daemon

crash) or possibly expose sensitive information. This issue only

affected Ubuntu 18.0...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service apache cross-site scripting Ubuntu

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  apache2                         2.4.38-2ubuntu2.2
  apache2-bin                     2.4.38-2ubuntu2.2

Ubuntu 18.04 LTS:
  apache2                         2.4.29-1ubuntu4.10
  apache2-bin                     2.4.29-1ubuntu4.10

Ubuntu 16.04 LTS:
  apache2                         2.4.18-2ubuntu3.12
  apache2-bin                     2.4.18-2ubuntu3.12

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4113-1

CVE-2019-0197, CVE-2019-10081, CVE-2019-10082, CVE-2019-10092,

CVE-2019-10097, CVE-2019-10098, CVE-2019-9517

Severity
critical
Lowest
Low
Medium
High
Critical

August 29, 2019

Topics%20covered

Topics Covered

security advisory denial of service apache cross-site scripting Ubuntu

Package Information

https://launchpad.net/ubuntu/+source/apache2/2.4.38-2ubuntu2.2
https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.10
https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu3.12

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.