Unrated severityNVD Advisory· Published Dec 20, 2021· Updated Aug 4, 2024
Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier
CVE-2021-44790
Description
A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
48<=2.4.51+ 1 more
- (no CPE)range: <=2.4.51
- (no CPE)range: Apache HTTP Server 2.4
- osv-coords46 versionspkg:bitnami/apachepkg:rpm/almalinux/httpdpkg:rpm/almalinux/httpd-develpkg:rpm/almalinux/httpd-filesystempkg:rpm/almalinux/httpd-manualpkg:rpm/almalinux/httpd-toolspkg:rpm/almalinux/mod_http2pkg:rpm/almalinux/mod_ldappkg:rpm/almalinux/mod_mdpkg:rpm/almalinux/mod_proxy_htmlpkg:rpm/almalinux/mod_sessionpkg:rpm/almalinux/mod_sslpkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/apache2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/apache2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015%20SP3
< 2.4.52+ 45 more
- (no CPE)range: < 2.4.52
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 1.15.7-3.module_el8.5.0+2609+b30d9eec
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 1:2.0.8-8.module_el8.5.0+2609+b30d9eec
- (no CPE)range: < 1:2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 1:2.4.37-43.module_el8.5.0+2609+b30d9eec.1.alma
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.52-1.1
- (no CPE)range: < 99.0.4844.84-bp153.2.75.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.51-3.37.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.51-35.7.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.51-35.7.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.33-3.61.1
- (no CPE)range: < 2.4.51-35.7.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 2.4.23-29.83.1
- (no CPE)range: < 99.0.4844.84-bp153.2.75.1
Patches
Vulnerability mechanics
References
20- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/mitrevendor-advisory
- security.gentoo.org/glsa/202208-20mitrevendor-advisory
- www.debian.org/security/2022/dsa-5035mitrevendor-advisory
- seclists.org/fulldisclosure/2022/May/33mitremailing-list
- seclists.org/fulldisclosure/2022/May/35mitremailing-list
- seclists.org/fulldisclosure/2022/May/38mitremailing-list
- www.openwall.com/lists/oss-security/2021/12/20/4mitremailing-list
- httpd.apache.org/security/vulnerabilities_24.htmlmitre
- packetstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.htmlmitre
- security.netapp.com/advisory/ntap-20211224-0001/mitre
- support.apple.com/kb/HT213255mitre
- support.apple.com/kb/HT213256mitre
- support.apple.com/kb/HT213257mitre
- www.oracle.com/security-alerts/cpuapr2022.htmlmitre
- www.oracle.com/security-alerts/cpujan2022.htmlmitre
- www.tenable.com/security/tns-2022-01mitre
- www.tenable.com/security/tns-2022-03mitre
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