#VU54940 Information disclosure in Podman - CVE-2021-3602

Vulnerability identifier: #VU54940

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3602

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Podman
Universal components / Libraries / Libraries used by multiple products

Vendor: Container Projects

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to podman build command with the --isolation chroot flag includes environment variables from the host. A remote attacker with access to the container can obtain sensitive information from environment variables.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Podman: 3.0.0 rc1 - 3.2.2

---

External links
https://github.com/containers/libpod/releases/tag/v3.2.3

---

Q & A

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.