#VU80585 Path traversal in pyramid - CVE-2023-41105

Vulnerability identifier: #VU80585

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-41105

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pyramid
Web applications / CMS

Vendor: Pylons Project

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 send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

pyramid: 2.0 - 2.0.1

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External links
https://github.com/python/cpython/pull/107982
https://github.com/python/cpython/pull/107983
https://github.com/python/cpython/pull/107981
https://github.com/python/cpython/issues/106242
https://mail.python.org/archives/list/security-announce@python.org/thread/D6CDW3ZZC5D444YGL3VQUY6D4ECMCQLD/

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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.