Vulnerability Details : CVE-2018-14912

cgit_clone_objects in CGit before 1.2.1 has a directory traversal vulnerability when `enable-http-clone=1` is not turned off, as demonstrated by a cgit/cgit.cgi/git/objects/?path=../ request.

Vulnerability category: Directory traversal

Published 2018-08-03 19:29:01

Updated 2018-10-02 18:39:13

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-14912

Probability of exploitation activity in the next 30 days: 97.02%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2018-14912

cgit Directory Traversal

Disclosure Date : 2018-08-03

auxiliary/scanner/http/cgit_traversal

This module exploits a directory traversal vulnerability which exists in cgit < 1.2.1 cgit_clone_objects(), reachable when the configuration flag enable-http-clone is set to 1 (default). Authors: - Google Project Zero - Dhiraj Mishra

More information

CVSS scores for CVE-2018-14912

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	[email protected]
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2018-14912

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: [email protected] (Primary)

References for CVE-2018-14912

https://lists.debian.org/debian-lts-announce/2018/08/msg00005.html

Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1627

Exploit;Issue Tracking;Third Party Advisory
https://www.exploit-db.com/exploits/45195/

Exploit;Third Party Advisory;VDB Entry
https://www.debian.org/security/2018/dsa-4263

Third Party Advisory
https://lists.zx2c4.com/pipermail/cgit/2018-August/004176.html

Vendor Advisory

Products affected by CVE-2018-14912

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Cgit Project » Cgit
Versions before (<) 1.2.1
cpe:2.3:a:cgit_project:cgit:*:*:*:*:*:*:*:*
Matching versions