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  2. CVE-2021-26690
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CVE-2021-26690

high
  • Information
  • CPEs
  • Plugins

Description

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

References

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

https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E

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

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

http://www.openwall.com/lists/oss-security/2021/06/10/6

https://security.netapp.com/advisory/ntap-20210702-0001/

https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html

https://www.debian.org/security/2021/dsa-4937

https://security.gentoo.org/glsa/202107-38

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

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

https://www.oracle.com/security-alerts/cpuoct2021.html

Details

Source: MITRE

Published: 2021-06-10

Updated: 2021-12-01

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

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