Vulnerability Description
Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.4.41, <= 2.4.46 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 34 |
| Oracle | Enterprise Manager Ops Center | 12.4.0.0 |
| Oracle | Instantis Enterprisetrack | 17.1 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
Related Weaknesses (CWE)
References
- http://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/4Mailing ListThird Party Advisory
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111b
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62Mailing ListRelease Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-38Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210702-0001/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlThird Party Advisory
- http://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2021/06/10/4Mailing ListThird Party Advisory
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111b
- https://lists.apache.org/thread.html/rbe197409ae4a58b629fb792d1aed541ccbbf865121
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62Mailing ListRelease Notes
FAQ
What is CVE-2020-13950?
CVE-2020-13950 is a vulnerability with a CVSS score of 7.5 (HIGH). Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, lea...
How severe is CVE-2020-13950?
CVE-2020-13950 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-13950?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Debian Debian Linux, Fedoraproject Fedora, Oracle Enterprise Manager Ops Center, Oracle Instantis Enterprisetrack.