Vulnerability Description
By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.4.33 |
| Netapp | Cloud Backup | - |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1041401Third Party AdvisoryVDB Entry
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-8011Vendor Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cd
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e10
- https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f60
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f8
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa
- https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0
- https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbc
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cac
- https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90b
- https://security.netapp.com/advisory/ntap-20180926-0007/Third Party Advisory
FAQ
What is CVE-2018-8011?
CVE-2018-8011 is a vulnerability with a CVSS score of 7.5 (HIGH). By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP S...
How severe is CVE-2018-8011?
CVE-2018-8011 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-2018-8011?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server, Netapp Cloud Backup.