7.5

CVE-2021-41524

Warnung

null pointer dereference in h2 fuzzing

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ HTTP Server Version2.4.49
Fedoraproject ≫ Fedora Version34
Fedoraproject ≫ Fedora Version35
Netapp ≫ Cloud Backup Version-
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 24.98% 0.976
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://httpd.apache.org/security/vulnerabilities_24.html
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/
https://security.gentoo.org/glsa/202208-20
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/05/1
Third Party Advisory
Mailing List
https://security.netapp.com/advisory/ntap-20211029-0009/
Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ
Third Party Advisory