CVE-2018-1303
HIGH severity · CVSS 7.5 · Out-of-bounds read
7.5CVSS HIGH
Summary
A specially crafted HTTP request header could have crashed the Apache HTTP Server prior to version 2.4.30 due to an out of bound read while preparing data to be cached in shared memory. It could be used as a Denial of Service attack against users of mod_cache_socache. The vulnerability is considered as low risk since mod_cache_socache is not widely used, mod_cache_disk is not concerned by this vulnerability.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)35%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://httpd.apache.org/security/vulnerabilities_24.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2018/03/24/3Advisory
- http://www.securityfocus.com/bid/103522Advisory
- http://www.securitytracker.com/id/1040572Advisory
- https://access.redhat.com/errata/RHSA-2018:3558Advisory
- https://access.redhat.com/errata/RHSA-2019:0366Advisory
- https://access.redhat.com/errata/RHSA-2019:0367Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E