CVE-2021-41524 Information

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Description

While fuzzing the 2.4.49 httpd a new null pointer dereference was detected during HTTP/2 request processing allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

CVSS Vector

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

Reference

https://httpd.apache.org/security/vulnerabilities_24.html http://www.openwall.com/lists/oss-security/2021/10/05/1 https://lists.fedoraproject.org/archives/list/[email protected]/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/ https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ https://security.netapp.com/advisory/ntap-20211029-0009/ https://lists.fedoraproject.org/archives/list/[email protected]/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/ https://www.oracle.com/security-alerts/cpujan2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5