CVE

CVE-2018-1312

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.

Severity

CRITICAL

CVSS

9.8

Published

Mar 26, 2018

Modified

Jun 17, 2026