CVE-2021-44790 Information

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.

CVSS Vector

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

Reference

http://httpd.apache.org/security/vulnerabilities_24.html http://www.openwall.com/lists/oss-security/2021/12/20/4 https://lists.fedoraproject.org/archives/list/[email protected]/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/ https://security.netapp.com/advisory/ntap-20211224-0001/ https://www.debian.org/security/2022/dsa-5035 https://www.tenable.com/security/tns-2022-01 https://www.tenable.com/security/tns-2022-03 https://www.oracle.com/security-alerts/cpujan2022.html https://lists.fedoraproject.org/archives/list/[email protected]/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/ https://lists.fedoraproject.org/archives/list/[email protected]/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/ https://lists.fedoraproject.org/archives/list/[email protected]/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/ https://www.oracle.com/security-alerts/cpuapr2022.html https://support.apple.com/kb/HT213255 https://support.apple.com/kb/HT213256 https://support.apple.com/kb/HT213257 http://seclists.org/fulldisclosure/2022/May/38 http://seclists.org/fulldisclosure/2022/May/33 http://seclists.org/fulldisclosure/2022/May/35

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8