Information disclosure in Singularity



Published: 2018-07-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-12021
CWE-ID CWE-362
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Singularity
Universal components / Libraries / Libraries used by multiple products

Vendor Singularity

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Race condition

EUVDB-ID: #VU13896

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12021

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to race condition. A remote attacker can bypass directory image restrictions, like mounting the host root filesystem as a container image and gain access to arbitrary data.

Mitigation

Update to version 2.5.2.

Vulnerable software versions

Singularity: 2.3.0 - 2.5.1

External links

http://github.com/singularityware/singularity/releases/tag/2.5.2


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.



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