Vulnerability identifier: #VU71642
Vulnerability risk: Medium
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-185
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
python-py
Universal components / Libraries /
Libraries used by multiple products
Vendor: pytest-dev
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in Subversion repository caused by a mishandled InfoSvnCommand argument. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
python-py: 1.0.0 - 1.11.0
External links
http://github.com/pytest-dev/py/blob/cb87a83960523a2367d0f19226a73aed4ce4291d/py/_path/svnurl.py#L316
http://github.com/pytest-dev/py/issues/287
http://github.com/advisories/GHSA-w596-4wvx-j9j6
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.