X.org Server xkb/xkb.c _GetCountedString buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.09

A vulnerability classified as critical was found in X.org Server (affected version unknown). Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 10/17/2022. It is possible to read the advisory at cgit.freedesktop.org. This vulnerability is known as CVE-2022-3550. Technical details of the vulnerability are known, but there is no available exploit.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulDB): 🔒

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: cgit.freedesktop.org

Timelineinfo

10/17/2022 Advisory disclosed
10/17/2022 +0 days CVE reserved
10/17/2022 +0 days VulDB entry created
11/09/2022 +23 days VulDB last update

Sourcesinfo

Vendor: x.org

Advisory: cgit.freedesktop.org
Status: Confirmed

CVE: CVE-2022-3550 (🔒)

Entryinfo

Created: 10/17/2022 02:24 PM
Updated: 11/09/2022 06:08 PM
Changes: 10/17/2022 02:24 PM (39), 11/09/2022 06:00 PM (2), 11/09/2022 06:08 PM (21)
Complete: 🔍

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