Incorrect default permissions in singularity (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-25040 |
| CWE-ID | CWE-276 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
singularity (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Incorrect default permissions
EUVDB-ID: #VU47112
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-25040
CWE-ID:
CWE-276 - Incorrect Default Permissions
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for temporary directories used in explicit and implicit container build operations. A local user with access to the system can view contents of files and directories or modify them.
MitigationInstall update from vendor's website.
Vulnerable software versionssingularity (Alpine package): 3.5.1-r0 - 3.6.2-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=957e2c259ab74f8db6eb531763a9385c48eb0dad
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.
