VULNERABILITY INTELLIGENCE
CVE-2018-1312
CVSS score9.8 CRITICAL
EPSS probability15.72%
CISA KEVNot currently listed
Published2018-03-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-287: Improper Authentication
Primary references
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org — Third Party Advisory, VDB Entry
- security@apache.org — Broken Link, Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Vendor Advisory
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org