CVE-2017-15715
HIGH severity · CVSS 8.1 · Improper input validation
8.1CVSS HIGH
Summary
In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a malicious filename, rather than matching only the end of the filename. This could be exploited in environments where uploads of some files are are externally blocked, but only by matching the trailing portion of the filename.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)94%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
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/2018/03/24/6Advisory
- http://www.securityfocus.com/bid/103525Advisory
- http://www.securitytracker.com/id/1040570Advisory
- 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