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Vulnerability Details : CVE-2022-29162

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. A bug was found in runc prior to version 1.1.2 where `runc exec --cap` created processes with non-empty inheritable Linux process capabilities, creating an atypical Linux environment and enabling programs with inheritable file capabilities to elevate those capabilities to the permitted set during execve(2). This bug did not affect the container security sandbox as the inheritable set never contained more capabilities than were included in the container's bounding set. This bug has been fixed in runc 1.1.2. This fix changes `runc exec --cap` behavior such that the additional capabilities granted to the process being executed (as specified via `--cap` arguments) do not include inheritable capabilities. In addition, `runc spec` is changed to not set any inheritable capabilities in the created example OCI spec (`config.json`) file.
Publish Date : 2022-05-17 Last Update Date : 2023-03-27
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 276

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:7457: container-tools:rhel8 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20227457 unix
RHSA-2022:7469: container-tools:4.0 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20227469 unix
RHSA-2022:8090: runc security update (Low) oval:com.redhat.rhsa:def:20228090 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-2022-29162

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 36 * * * Version Details Vulnerabilities
4 Application Linuxfoundation Runc * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 3
Linuxfoundation Runc 1

- References For CVE-2022-29162

https://lists.fedoraproject.org/archives/list/[email protected]/message/AVPZBV7ISA7QKRPTC7ZXWKMIQI2HZEBB/
FEDORA FEDORA-2022-d1f55f8fd0
https://github.com/opencontainers/runc/commit/d04de3a9b72d7a2455c1885fc75eb36d02cd17b5
https://lists.fedoraproject.org/archives/list/[email protected]/message/GPQU4YC4AAY54JDXGDQHJEYKSXXG5T2Y/
FEDORA FEDORA-2022-e980dc71b1
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
MLIST [debian-lts-announce] 20230327 [SECURITY] [DLA 3369-1] runc security update
https://github.com/opencontainers/runc/security/advisories/GHSA-f3fp-gc8g-vw66 CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/D77CKD3AXPMU4PMQIQI5Q74SI4JATNND/
FEDORA FEDORA-2022-91b747a0d7
https://github.com/opencontainers/runc/releases/tag/v1.1.2

- Metasploit Modules Related To CVE-2022-29162

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