Nextcloud Server up to 22.2.5/23.0.2 Link control flow

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 (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Nextcloud Server up to 22.2.5/23.0.2. This affects an unknown function of the component Link Handler. Performing a manipulation results in control flow. This vulnerability is known as CVE-2022-29163. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Nextcloud Server up to 22.2.5/23.0.2 (Cloud Software). This affects an unknown code of the component Link Handler. The manipulation with an unknown input leads to a control flow vulnerability. CWE is classifying the issue as CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. This is going to have an impact on confidentiality.

The weakness was published 05/22/2022 as GHSA-pwjv-h37v-c4fx. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-29163 since 04/13/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 22.2.6 or 23.0.3 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.

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

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CNA Base Score: 3.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Control flow
CWE: CWE-670
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 22.2.6/23.0.3
Patch: github.com

Timelineinfo

04/13/2022 🔍
05/22/2022 +39 days 🔍
05/22/2022 +0 days 🔍
05/27/2022 +5 days 🔍

Sourcesinfo

Advisory: GHSA-pwjv-h37v-c4fx
Status: Confirmed

CVE: CVE-2022-29163 (🔍)
GCVE (CVE): GCVE-0-2022-29163
GCVE (VulDB): GCVE-100-200505

Entryinfo

Created: 05/22/2022 09:34
Updated: 05/27/2022 14:24
Changes: 05/22/2022 09:34 (51), 05/27/2022 14:24 (1)
Complete: 🔍
Cache ID: 216::103

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

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