SB2021020207 - Multiple vulnerabilities in HTCondor

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2021-25311)

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

CVSSv4: 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/E:U/U:Green

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.

2) Improper Authentication (CVE-ID: CVE-2021-25312)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests in the IDTOKENS authentication method. A remote authenticated attacker can submit a job as another user on the system.

Remediation

Install update from vendor's website.

References

• https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2021-0002.html
• https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2021-0001.html