#VU26553 Permissions, Privileges, and Access Controls in Bubblewrap - CVE-2020-5291

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Main Vulnerability Database Vulnerabilities #VU26553

#VU26553 Permissions, Privileges, and Access Controls in Bubblewrap - CVE-2020-5291

Published: April 3, 2020


Vulnerability identifier: #VU26553
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-5291
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Bubblewrap
Software vendor:
Project Atomic

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists within the "bwrap --userns2" option if the affected software is installed in setuid mode and the kernel supports unprivileged user namespaces. A remote authenticated attacker can gain root privileges on the target system.


Remediation

Install updates from vendor's website.

External links