Connman up to 1.40 TCP Server Reply out-of-bounds read

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

A vulnerability classified as problematic was found in Connman up to 1.40. Affected by this vulnerability is an unknown part of the component TCP Server Reply Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-125. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation lacks a check for the presence of sufficient Header Data, leading to an out-of-bounds read.

The weakness was published 01/28/2022. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-23096 since 01/11/2022. The exploitation appears to be easy. The attack needs to be done within the local network. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: git.kernel.org

Timelineinfoedit

01/11/2022 CVE reserved
01/28/2022 +17 days Advisory disclosed
01/28/2022 +0 days VulDB entry created
01/30/2022 +2 days VulDB last update

Sourcesinfoedit

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-23096 (🔒)

Entryinfoedit

Created: 01/28/2022 07:00 PM
Updated: 01/30/2022 01:37 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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