CVE-2017-15715

MEDIUM

Description

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.

References

http://www.openwall.com/lists/oss-security/2018/03/24/6

http://www.securityfocus.com/bid/103525

http://www.securitytracker.com/id/1040570

https://access.redhat.com/errata/RHSA-2018:3558

https://access.redhat.com/errata/RHSA-2019:0366

https://access.redhat.com/errata/RHSA-2019:0367

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

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

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

https://security.elarlang.eu/cve-2017-15715-apache-http-server-filesmatch-bypass-with-a-trailing-newline-at-the-end-of-the-file-name.html

https://security.netapp.com/advisory/ntap-20180601-0004/

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us

https://usn.ubuntu.com/3627-1/

https://usn.ubuntu.com/3627-2/

https://www.debian.org/security/2018/dsa-4164

Details

Source: MITRE

Published: 2018-03-26

Updated: 2019-08-15

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH