Path traversal in F5 BIG-IP

1) Path traversal

EUVDB-ID: #VU82368

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41373

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

Exploit availability: No

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 within the unzip method in Configuration utility. A remote user can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary command execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP: 13.1.0 - 17.1.0

External links

http://my.f5.com/manage/s/article/K000135689
http://www.zerodayinitiative.com/advisories/ZDI-23-1559/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.