critical
9.8
CWE
287
Advisory Published
Updated

CVE-2018-1312

First published: Mon Mar 26 2018(Updated: )

In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/httpd<2.4.30
2.4.30
debian/apache2
2.4.62-1~deb11u1
2.4.62-1~deb11u2
2.4.62-1~deb12u2
2.4.63-1
Apache Http Server=2.4.1
Apache Http Server=2.4.2
Apache Http Server=2.4.3
Apache Http Server=2.4.4
Apache Http Server=2.4.6
Apache Http Server=2.4.7
Apache Http Server=2.4.9
Apache Http Server=2.4.10
Apache Http Server=2.4.12
Apache Http Server=2.4.16
Apache Http Server=2.4.17
Apache Http Server=2.4.18
Apache Http Server=2.4.20
Apache Http Server=2.4.23
Apache Http Server=2.4.25
Apache Http Server=2.4.26
Apache Http Server=2.4.27
Apache Http Server=2.4.28
Apache Http Server=2.4.29
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=17.10
Ubuntu=18.04
Debian Linux=7.0
Debian Linux=8.0
Debian Linux=9.0
NetApp Cloud Backup
NetApp StorageGRID Webscale
IBM Data ONTAP
All of
Red Hat JBoss Core Services=1.0
Any of
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server EUS=7.6
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Workstation=7.0
Red Hat JBoss Core Services=1.0
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0

Remedy

https://svn.apache.org/viewvc?view=revision&revision=1824481

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is CVE-2018-1312?

    CVE-2018-1312 is a vulnerability in Apache httpd that allows for HTTP request replay attacks.

  • How severe is CVE-2018-1312?

    CVE-2018-1312 has a severity rating of 9.8 (Critical).

  • What software versions are affected by CVE-2018-1312?

    Apache httpd versions 2.2.0 to 2.4.29 are affected.

  • How can I fix CVE-2018-1312?

    To fix CVE-2018-1312, you need to upgrade Apache httpd to version 2.4.30 or higher.

  • Where can I find more information about CVE-2018-1312?

    You can find more information about CVE-2018-1312 on the Apache httpd website and the Redhat Bugzilla website.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203