#VU46672 Authentication bypass using an alternate path or channel in Slurm - CVE-2020-12693
Vulnerability identifier: #VU46672
Vulnerability risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID:
CWE-ID:
CWE-288
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Slurm
Server applications /
Remote management servers, RDP, SSH
Vendor: SchedMD
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to a race condition during authentication process, if Message Aggregation is enabled. A remote non-authenticated attacker can send specially crafted request to the application, bypass authentication process and execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Slurm: 19.05.0.0 - 19.05.6.1, 20.02.0.1 - 20.02.2.1
External links
https://lists.opensuse.org/opensuse-security-announce/2020-09/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KNL5E5SK4WP6M3DKU4IKW2NPQD2XTZ4Y/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3RGQB3EWDLOLTSPAJPPWZEPQK3O3AUH/
https://lists.schedmd.com/pipermail/slurm-announce/2020/000036.html
https://www.schedmd.com/news.php?id=236
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.
