CVE-2021-44790

CVSS V2 High 7.5 CVSS V3 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.

Overview

CVE ID
CVE-2021-44790

Assigner
security@apache.org

Vulnerability Status
Modified

Published Version
2021-12-20T12:15:07

Last Modified Date
2023-04-03T20:15:07

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apache:http_server::::::::	1	OR		2.4.51
cpe:2.3:o:fedoraproject:fedora:34:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:36:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:11.0:::::::*	1	OR
cpe:2.3:a:tenable:tenable.sc::::::::	1	OR	5.16.0	5.20.0
cpe:2.3:a:netapp:cloud_backup:-:::::::*	1	OR
cpe:2.3:a:oracle:communications_element_manager::::::::	1	OR		9.0
cpe:2.3:a:oracle:communications_operations_monitor:4.3:::::::*	1	OR
cpe:2.3:a:oracle:communications_operations_monitor:4.4:::::::*	1	OR
cpe:2.3:a:oracle:communications_operations_monitor:5.0:::::::*	1	OR
cpe:2.3:a:oracle:communications_session_report_manager::::::::	1	OR		9.0
cpe:2.3:a:oracle:communications_session_route_manager::::::::	1	OR		9.0
cpe:2.3:a:oracle:http_server:12.2.1.3.0:::::::*	1	OR
cpe:2.3:a:oracle:http_server:12.2.1.4.0:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:::::::*	1	OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:::::::*	1	OR
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:::::::*	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003::::::	1	OR
cpe:2.3:o:apple:macos::::::::	1	OR		10.15.7
cpe:2.3:o:apple:macos::::::::	1	OR	11.0	11.6.6
cpe:2.3:o:apple:macos::::::::	1	OR	12.0	12.4

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
http://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
http://packetstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.html
http://seclists.org/fulldisclosure/2022/May/33	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/May/35	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/May/38	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/12/20/4	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/	Third Party Advisory
https://security.gentoo.org/glsa/202208-20	Third Party Advisory
https://security.netapp.com/advisory/ntap-20211224-0001/	Third Party Advisory
https://support.apple.com/kb/HT213255	Third Party Advisory
https://support.apple.com/kb/HT213256	Third Party Advisory
https://support.apple.com/kb/HT213257	Third Party Advisory
https://www.debian.org/security/2022/dsa-5035	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	Patch Third Party Advisory
https://www.tenable.com/security/tns-2022-01	Third Party Advisory
https://www.tenable.com/security/tns-2022-03	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-44790
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44790

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:41:42				Added to TrackCVE
2022-12-06 04:21:52	2021-12-20T12:15Z	2021-12-20T12:15:07	CVE Published Date	updated
2022-12-06 04:21:52		2022-11-02T13:18:35	CVE Modified Date	updated
2022-12-06 04:21:52		Analyzed	Vulnerability Status	updated
2022-12-06 04:21:58			References	updated
2023-04-04 13:09:59		2023-04-03T20:15:07	CVE Modified Date	updated
2023-04-04 13:09:59	Analyzed	Modified	Vulnerability Status	updated
2023-04-04 13:10:01			References	updated