CVE-2021-34798

high

Description

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

References

http://httpd.apache.org/security/vulnerabilities_24.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/

https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cusers.httpd.apache.org%3E

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/

https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html

https://security.netapp.com/advisory/ntap-20211008-0004/

https://www.debian.org/security/2021/dsa-4982

https://www.tenable.com/security/tns-2021-17

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ

https://www.oracle.com/security-alerts/cpujan2022.html

https://kc.mcafee.com/corporate/index?page=content&id=SB10379

https://www.oracle.com/security-alerts/cpuapr2022.html

https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf

https://security.gentoo.org/glsa/202208-20

Details

Source: MITRE

Published: 2021-09-16

Updated: 2022-10-28

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH