Critical severity9.8NVD Advisory· Published Mar 26, 2018· Updated Jun 17, 2026
CVE-2018-1312
CVE-2018-1312
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- osv-coords15 versionspkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/apache2&distro=SUSE%20Studio%20Onsite%201.3
< 2.2.34-70.15.1+ 14 more
- (no CPE)range: < 2.2.34-70.15.1
- (no CPE)range: < 2.4.16-20.16.1
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.4.10-14.31.1
- (no CPE)range: < 2.2.34-70.15.1
- (no CPE)range: < 2.4.16-20.16.1
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.2.34-70.15.1
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.4.16-20.16.1
- (no CPE)range: < 2.4.23-29.18.2
- (no CPE)range: < 2.2.34-70.15.1
- Range: 2.0.42 to 2.4.29
Patches
Vulnerability mechanics
References
29- www.openwall.com/lists/oss-security/2018/03/24/7nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/103524nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040571nvdBroken LinkThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:3558nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2019:0366nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2019:0367nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2019:1898nvdThird Party Advisory
- httpd.apache.org/security/vulnerabilities_24.htmlnvdVendor Advisory
- lists.debian.org/debian-lts-announce/2018/05/msg00020.htmlnvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20180601-0004/nvdThird Party Advisory
- support.hpe.com/hpsc/doc/public/displaynvdThird Party Advisory
- usn.ubuntu.com/3627-1/nvdThird Party Advisory
- usn.ubuntu.com/3627-2/nvdThird Party Advisory
- usn.ubuntu.com/3937-2/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4164nvdThird Party Advisory
- www.tenable.com/security/tns-2019-09nvdThird Party Advisory
- lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3Envd
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