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Vulnerability Details : CVE-2021-3602

An information disclosure flaw was found in Buildah, when building containers using chroot isolation. Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from parent and grandparent processes. When run in a container in a CI/CD environment, environment variables may include sensitive information that was shared with the container in order to be used only by Buildah itself (e.g. container registry credentials).
Publish Date : 2022-03-03 Last Update Date : 2022-10-24
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 212

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:4154: container-tools:rhel8 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20214154 unix
RHSA-2021:4221: container-tools:2.0 security update (Moderate) oval:com.redhat.rhsa:def:20214221 unix
RHSA-2021:4222: container-tools:3.0 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20214222 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-3602

# Product Type Vendor Product Version Update Edition Language
1 Application Buildah Project Buildah * * * * Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux For Ibm Z Systems 8.0 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux For Power Little Endian 8.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Buildah Project Buildah 1
Redhat Enterprise Linux 1
Redhat Enterprise Linux For Ibm Z Systems 1
Redhat Enterprise Linux For Power Little Endian 1

- References For CVE-2021-3602

https://ubuntu.com/security/CVE-2021-3602
https://github.com/containers/buildah/security/advisories/GHSA-7638-r9r3-rmjj
https://github.com/containers/buildah/commit/a468ce0ffd347035d53ee0e26c205ef604097fb0
https://bugzilla.redhat.com/show_bug.cgi?id=1969264

- Metasploit Modules Related To CVE-2021-3602

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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