Race condition in Singularity - CVE-2018-12021

 

Race condition in Singularity - CVE-2018-12021

Published: July 16, 2018 / Updated: July 17, 2018


Vulnerability identifier: #VU13896
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-12021
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Singularity
Affected software:
Singularity

Detailed vulnerability 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.


How to mitigate CVE-2018-12021

Update to version 2.5.2.

Sources