Vulnerability identifier: #VU14196

Vulnerability risk: High

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-14912

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
cgit
Client/Desktop applications / Software for system administration

Vendor: Jason A. Donenfeld

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in cgit_clone_objects due to path traversal when `enable-http-clone=1` is not turned off, as demonstrated by a cgit/cgit.cgi/git/objects/?path=../ request. A remote unauthenticated attacker can conduct directory traversal attack and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 1.2.1.

Vulnerable software versions

cgit: 0.1 - 1.2

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External links
http://lists.zx2c4.com/pipermail/cgit/2018-August/004176.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.