Inadequate Encryption Strength in HTCondor - CVE-2021-45104
Published: May 24, 2022 / Updated: May 24, 2022
Vulnerability identifier: #VU63556
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-45104
CWE-ID: CWE-326
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists when HTCondor daemons are configured to use BLOWFISH or 3DES encryption and match password authentication is enabled. A remote attacker can capture network traffic between a condor_schedd and a condor_startd or condor_collector and gain access to sensitive information.
Affected software
HTCondor
How to mitigate CVE-2021-45104
Install updates from vendor's website.
HTCondor - addressed in versions 9.0.10, 9.5.1