Fedora 33 update for slurm
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-27745 CVE-2020-27746 |
| CWE-ID | CWE-119 CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system slurm Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU50143
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-27745
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the PMIx MPI plugin. A local user can run a specially crafted program to trigger buffer overflow in RPC implementation and execute arbitrary code on the system with elevated privileges.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 33
slurm: before 20.02.6-1.fc33
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2020-49b97c38e7
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Race condition
EUVDB-ID: #VU50142
Risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-27746
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a race condition in the xauth for X11 magic cookies when reading data on the /proc filesystem. A local user can exploit the race and gain unauthorized access to sensitive information.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 33
slurm: before 20.02.6-1.fc33
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2020-49b97c38e7
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
