#VU99862 Link following in ZipArchive - CVE-2022-36943

Vulnerability identifier: #VU99862

Vulnerability risk: High

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-36943

CWE-ID: CWE-59

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ZipArchive
Client/Desktop applications / Software for archiving

Vendor: ZipArchive

Description

The vulnerability allows a remote attacker to overwrite files on the filesystem.

The vulnerability exists due to lack of sanitization on paths which are symlinks. A remote attacker can overwrite files on the filesystem when opening a malicious ZIP containing a symlink as the first item.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ZipArchive: 0.1.0 - 2.5.2

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External links
https://github.com/metaredteam/external-disclosures/security/advisories/GHSA-vgvw-6xcf-qqfc

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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.