VDB-224539 · CVE-2023-28642 · GHSA-g2j6-57v7-gm8c

runc up to 1.1.4 AppArmor /proc permissions

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6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in runc up to 1.1.4. It has been rated as critical. The impacted element is an unknown function of the file /proc of the component AppArmor. This manipulation causes permissions. The identification of this vulnerability is CVE-2023-28642. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in runc up to 1.1.4. It has been declared as critical. Affected by this vulnerability is an unknown function of the file /proc of the component AppArmor. The manipulation with an unknown input leads to a permissions vulnerability. The CWE definition for the vulnerability is CWE-281. The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked `/proc`. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.

The weakness was shared 03/30/2023 as GHSA-g2j6-57v7-gm8c. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-28642 since 03/20/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 211562 (Oracle Linux 9 : runc (ELSA-2024-9200)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.1.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (211562) and CERT Bund (WID-SEC-2023-1183). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
Gentoo Linux
Red Hat OpenShift
Open Source docker
SUSE openSUSE
RESF Rocky Linux

Productinfo

Name

runc

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Permissions
CWE: CWE-281 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 211562
Nessus Name: Oracle Linux 9 : runc (ELSA-2024-9200)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: runc 1.1.5
Patch: github.com

Timelineinfo

03/20/2023 🔍
03/30/2023 +9 days 🔍
03/30/2023 +0 days 🔍
11/28/2025 +974 days 🔍

Sourcesinfo

Advisory: GHSA-g2j6-57v7-gm8c
Status: Confirmed

CVE: CVE-2023-28642 (🔍)
GCVE (CVE): GCVE-0-2023-28642
GCVE (VulDB): GCVE-100-224539
CERT Bund: WID-SEC-2023-1183 - docker: Mehrere Schwachstellen

Entryinfo

Created: 03/30/2023 11:16
Updated: 11/28/2025 17:34
Changes: 03/30/2023 11:16 (52), 04/20/2023 10:04 (11), 11/19/2024 23:26 (17), 11/28/2025 17:34 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.