Path traversal in HTCondor - CVE-2021-25311
Published: January 27, 2021 / Updated: February 2, 2021
Vulnerability identifier: #VU50243
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25311
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the "condor_credd" functionality. A remote authenticated attacker can send a specially crafted HTTP request and create arbitrary files outside the SEC_CREDENTIAL_DIRECTORY_OAUTH directory on the system.
Affected software
HTCondor
How to mitigate CVE-2021-25311
Install update from vendor's website.
HTCondor - update to 8.9.11