Unrated severityNVD Advisory· Published Jan 20, 2023· Updated Apr 2, 2025
CVE-2023-24021
CVE-2023-24021
Description
Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22- ModSecurity/ModSecuritydescription
- Range: <2.9.7
- osv-coords20 versionspkg:bitnami/modsecuritypkg:bitnami/modsecurity2pkg:rpm/opensuse/apache2-mod_security2&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.2pkg:rpm/suse/apache2-mod_security2&distro=SUSE%20Manager%20Server%204.2
< 2.9.7+ 19 more
- (no CPE)range: < 2.9.7
- (no CPE)range: < 2.9.7
- (no CPE)range: < 2.9.4-150400.3.6.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.4-150400.3.6.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
- (no CPE)range: < 2.9.2-150000.3.9.1
Patches
Vulnerability mechanics
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/mitrevendor-advisory
- lists.debian.org/debian-lts-announce/2023/01/msg00023.htmlmitremailing-list
- github.com/SpiderLabs/ModSecurity/pull/2857mitre
- github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334mitre
- github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7mitre
News mentions
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