xrdp up to 0.9.18.0 sesman Server integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in xrdp up to 0.9.18.0. The affected element is an unknown function of the component sesman Server. The manipulation leads to integer underflow. This vulnerability is listed as CVE-2022-23613. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in xrdp up to 0.9.18.0. It has been rated as critical. This issue affects an unknown functionality of the component sesman Server. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is confidentiality, integrity, and availability.

The weakness was presented 02/08/2022 as GHSA-8h98-h426-xf32. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-23613 since 01/19/2022. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.9.18.1 eliminates this vulnerability. Applying the patch 4def30ab8ea445cdc06832a44c3ec40a506a0ffa 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

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
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: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: xrdp 0.9.18.1
Patch: 4def30ab8ea445cdc06832a44c3ec40a506a0ffa

Timelineinfo

01/19/2022 🔍
02/08/2022 +20 days 🔍
02/08/2022 +0 days 🔍
02/11/2022 +3 days 🔍

Sourcesinfo

Advisory: GHSA-8h98-h426-xf32
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-23613 (🔍)
GCVE (CVE): GCVE-0-2022-23613
GCVE (VulDB): GCVE-100-192473

Entryinfo

Created: 02/08/2022 08:53
Updated: 02/11/2022 15:36
Changes: 02/08/2022 08:53 (51), 02/11/2022 15:36 (2)
Complete: 🔍
Cache ID: 216::103

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

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