Vulnerability identifier: #VU103500
Vulnerability risk: Medium
CVSSv4.0: 2.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
buildah
Client/Desktop applications /
Software for system administration
Vendor: Container Projects
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions during the build process. A remote user can leverage usage of a --mount flag in RUN instructions in Containerfiles along with multi-stage builds with use of concurrently-executing build stages or multiple separate but concurrently-executing builds to expose content from the build host and perform read/write operations on the system with privileges of the podman system service.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
buildah: 1.0 - 1.38.0
External links
https://github.com/containers/buildah/security/advisories/GHSA-5vpc-35f4-r8w6
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.