Path traversal in Singularity - CVE-2020-15229

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Main Vulnerability Database Vulnerabilities #VU47646

Path traversal in Singularity - CVE-2020-15229

Published: October 14, 2020 / Updated: November 24, 2020


Vulnerability identifier: #VU47646
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15229
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within "unsquashfs". A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Affected software

Singularity
singularity (Alpine package)
SUSE Linux
Opensuse

How to mitigate CVE-2020-15229

Install update from vendor's website.

Singularity - update to 3.6.4
singularity (Alpine package) - update to 3.6.4-r0

External References

Related Security Bulletins