kube-apiserver up to 1.24.14/1.25.10/1.26.5/1.27.2 ServiceAccount Admission Plugin access control

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in kube-apiserver up to 1.24.14/1.25.10/1.26.5/1.27.2 and classified as critical. This issue affects some unknown processing of the component ServiceAccount Admission Plugin. Such manipulation leads to access control. This vulnerability is referenced as CVE-2023-2728. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in kube-apiserver up to 1.24.14/1.25.10/1.26.5/1.27.2 and classified as critical. Affected by this issue is an unknown code of the component ServiceAccount Admission Plugin. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was published 06/15/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-2728 since 05/16/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 1.24.15, 1.25.11, 1.26.6 or 1.27.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

kube-apiserver

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Kubernetes): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: kube-apiserver 1.24.15/1.25.11/1.26.6/1.27.3

Timelineinfo

05/16/2023 🔍
06/15/2023 +30 days 🔍
06/15/2023 +0 days 🔍
07/13/2023 +28 days 🔍

Sourcesinfo

Advisory: 11864
Status: Confirmed

CVE: CVE-2023-2728 (🔍)
GCVE (CVE): GCVE-0-2023-2728
GCVE (VulDB): GCVE-100-231620

Entryinfo

Created: 06/15/2023 10:17
Updated: 07/13/2023 18:58
Changes: 06/15/2023 10:17 (38), 07/13/2023 18:51 (2), 07/13/2023 18:58 (12)
Complete: 🔍
Cache ID: 216::103