X.org Server xkb/xkb.c ProcXkbGetKbdByName memory leak

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.
4.8$0-$5k0.63

Summaryinfo

A vulnerability, which was classified as problematic, was found in X.org Server. The affected element is the function ProcXkbGetKbdByName of the file xkb/xkb.c. Such manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2022-3551. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in X.org Server (affected version not known). Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was disclosed 10/17/2022. The advisory is shared for download at cgit.freedesktop.org. This vulnerability is handled as CVE-2022-3551. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 211143 (Fedora 37 : xorg-x11-server (2022-64ad80875c)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (211143) and EUVD (EUVD-2022-42917). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 211143
Nessus Name: Fedora 37 : xorg-x11-server (2022-64ad80875c)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: cgit.freedesktop.org

Timelineinfo

10/17/2022 🔍
10/17/2022 +0 days 🔍
10/17/2022 +0 days 🔍
07/17/2026 +1369 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: cgit.freedesktop.org
Status: Confirmed

CVE: CVE-2022-3551 (🔍)
GCVE (CVE): GCVE-0-2022-3551
GCVE (VulDB): GCVE-100-211052
EUVD: 🔍

Entryinfo

Created: 10/17/2022 14:32
Updated: 07/17/2026 05:07
Changes: 10/17/2022 14:32 (39), 11/09/2022 18:15 (2), 11/09/2022 18:22 (21), 11/17/2024 05:45 (16), 07/17/2026 05:07 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!