VDB-240067 · CVE-2023-43498 · GCVE-0-2023-43498

Jenkins up to LTS 2.414.1/2.423 MultipartFormDataParser permission

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Jenkins up to LTS 2.414.1/2.423. This vulnerability affects the function MultipartFormDataParser. This manipulation causes permission. This vulnerability is tracked as CVE-2023-43498. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Jenkins up to LTS 2.414.1/2.423 (Continuous Integration Software). Affected by this vulnerability is the function MultipartFormDataParser. The manipulation with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.

The weakness was disclosed 09/20/2023. It is possible to read the advisory at jenkins.io. This vulnerability is known as CVE-2023-43498 since 09/19/2023. 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.

Upgrading eliminates this vulnerability.

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

Productinfo

Type

Continuous Integration Software

Name

Jenkins

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

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

Exploitinginfo

Class: Permission
CWE: CWE-275 / 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: 🔍

Timelineinfo

09/19/2023 🔍
09/20/2023 +1 days 🔍
09/20/2023 +0 days 🔍
09/25/2024 +371 days 🔍

Sourcesinfo

Advisory: jenkins.io
Status: Confirmed

CVE: CVE-2023-43498 (🔍)
GCVE (CVE): GCVE-0-2023-43498
GCVE (VulDB): GCVE-100-240067

Entryinfo

Created: 09/20/2023 20:19
Updated: 09/25/2024 04:25
Changes: 09/20/2023 20:19 (39), 10/13/2023 15:58 (11), 09/25/2024 04:25 (16)
Complete: 🔍
Cache ID: 216::103