Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.4.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
| Netapp | Cloud Backup | - |
| Netapp | Storagegrid | - |
| Netapp | Clustered Data Ontap | - |
| Redhat | Jboss Core Services | 1.0 |
| Redhat | Enterprise Linux | 6.0 |
| 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 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2018/03/24/7Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/103524Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040571Broken LinkThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3558Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0366Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0367Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1898Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cd
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e10
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda
- https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f8
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa
FAQ
What is CVE-2018-1312?
CVE-2018-1312 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 o...
How severe is CVE-2018-1312?
CVE-2018-1312 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-1312?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux, Netapp Cloud Backup, Netapp Storagegrid.