DiffSK configobj Configuration File redos

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in DiffSK configobj. It has been rated as problematic. This vulnerability affects unknown code of the component Configuration File Handler. The manipulation leads to redos. This vulnerability is uniquely identified as CVE-2023-26112. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in DiffSK configobj (version unknown). This issue affects an unknown function of the component Configuration File Handler. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability. The summary by CVE is:

All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)$(.*)$. **Note:** This is only exploitable in the case of a developer, putting the offending value in a server side configuration file.

The weakness was disclosed 04/03/2023 as 232. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-26112 since 02/20/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1449.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 216043 (EulerOS 2.0 SP12 : python-configobj (EulerOS-SA-2025-1180)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (216043). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

DiffSK

Name

configobj

Website

Product: https://github.com/DiffSK/configobj/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 3.7
CNA Vector (Snyk): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
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

Nessus ID: 216043
Nessus Name: EulerOS 2.0 SP12 : python-configobj (EulerOS-SA-2025-1180)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/2023 🔍
04/03/2023 +41 days 🔍
04/03/2023 +0 days 🔍
02/14/2025 +683 days 🔍

Sourcesinfo

Product: github.com

Advisory: 232
Status: Confirmed

CVE: CVE-2023-26112 (🔍)
GCVE (CVE): GCVE-0-2023-26112
GCVE (VulDB): GCVE-100-224777

Entryinfo

Created: 04/03/2023 08:49
Updated: 02/14/2025 04:03
Changes: 04/03/2023 08:49 (47), 02/11/2025 10:27 (17), 02/14/2025 04:03 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.