CVE-2021-44790

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/20/2021

Last Modified5/1/2025

Sourcenvd

Honeypot Sightings0

Affected Products

apache:http_serverapple:mac_os_xapple:macosdebian:debian_linuxfedoraproject:fedoranetapp:cloud_backuporacle:communications_element_manageroracle:communications_operations_monitororacle:communications_session_report_manageroracle:communications_session_route_manageroracle:http_serveroracle:instantis_enterprisetrackoracle:zfs_storage_appliance_kittenable:tenable.sc

Weaknesses (CWE)

CWE-787CWE-787

References

http://httpd.apache.org/security/vulnerabilities_24.html(security@apache.org)

http://packetstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.html(security@apache.org)

http://seclists.org/fulldisclosure/2022/May/33(security@apache.org)

http://seclists.org/fulldisclosure/2022/May/35(security@apache.org)

http://seclists.org/fulldisclosure/2022/May/38(security@apache.org)

http://www.openwall.com/lists/oss-security/2021/12/20/4(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/(security@apache.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/(security@apache.org)

https://security.gentoo.org/glsa/202208-20(security@apache.org)

https://security.netapp.com/advisory/ntap-20211224-0001/(security@apache.org)

https://support.apple.com/kb/HT213255(security@apache.org)

https://support.apple.com/kb/HT213256(security@apache.org)

https://support.apple.com/kb/HT213257(security@apache.org)

https://www.debian.org/security/2022/dsa-5035(security@apache.org)

https://www.oracle.com/security-alerts/cpuapr2022.html(security@apache.org)

https://www.oracle.com/security-alerts/cpujan2022.html(security@apache.org)

https://www.tenable.com/security/tns-2022-01(security@apache.org)

https://www.tenable.com/security/tns-2022-03(security@apache.org)

http://httpd.apache.org/security/vulnerabilities_24.html(af854a3a-2127-422b-91ae-364da2661108)

http://packetstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.html(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2022/May/33(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2022/May/35(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2022/May/38(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/12/20/4(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202208-20(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20211224-0001/(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/kb/HT213255(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/kb/HT213256(af854a3a-2127-422b-91ae-364da2661108)

https://support.apple.com/kb/HT213257(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2022/dsa-5035(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpujan2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.tenable.com/security/tns-2022-01(af854a3a-2127-422b-91ae-364da2661108)

https://www.tenable.com/security/tns-2022-03(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.