Vulnerability identifier: #VU85583

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-49569

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
go-git
Universal components / Libraries / Programming Languages & Components

Vendor: go-git

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can overwrite arbitrary files on the system. Applications are only affected if they are using the ChrootOS, which is the default when using "Plain" versions of Open and Clone funcs (e.g. PlainClone).

Mitigation
Install update from vendor's website.

Vulnerable software versions

go-git: 4.0.0 - 5.10.1

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External links
http://github.com/go-git/go-git/security/advisories/GHSA-449p-3h89-pw88

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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.