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 security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/httpd<2.4.30
2.4.30
ubuntu/apache2<2.4.27-2ubuntu4.1
2.4.27-2ubuntu4.1
ubuntu/apache2<2.4.29-1ubuntu4.1
2.4.29-1ubuntu4.1
ubuntu/apache2<2.4.29-1ubuntu4.1
2.4.29-1ubuntu4.1
ubuntu/apache2<2.4.7-1ubuntu4.20
2.4.7-1ubuntu4.20
ubuntu/apache2<2.4.30
2.4.30
ubuntu/apache2<2.4.18-2ubuntu3.8
2.4.18-2ubuntu3.8
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
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Canonical Ubuntu Linux=18.04
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Netapp Cloud Backup
Netapp Storagegrid
NetApp Clustered Data ONTAP
Redhat Jboss Core Services=1.0
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Eus=7.6
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=7.0
All of
Redhat Jboss Core Services=1.0
Any of
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
debian/apache2
2.4.59-1~deb11u1
2.4.59-1~deb12u1
2.4.59-2
2.4.60-1

Remedy

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

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

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.

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