X.Org X11 Server ScreenSaverSetAttributes Request use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in X.Org X11 Server. It has been rated as critical. The affected element is an unknown function of the component ScreenSaverSetAttributes Request Handler. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2022-46343. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in X.Org X11 Server (Windowing System Software) (version unknown). This affects an unknown function of the component ScreenSaverSetAttributes Request Handler. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

The weakness was shared 12/15/2022. It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2022-46343 since 11/30/2022. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211333 (Fedora 37 : xorg-x11-server-Xwayland (2022-721a78b7e5)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (211333). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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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Nessus ID: 211333
Nessus Name: Fedora 37 : xorg-x11-server-Xwayland (2022-721a78b7e5)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/30/2022 🔍
12/15/2022 +15 days 🔍
12/15/2022 +0 days 🔍
11/15/2024 +701 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: FEDORA-2022-721a78b7e5
Status: Confirmed

CVE: CVE-2022-46343 (🔍)
GCVE (CVE): GCVE-0-2022-46343
GCVE (VulDB): GCVE-100-215859

Entryinfo

Created: 12/15/2022 09:58
Updated: 11/15/2024 13:40
Changes: 12/15/2022 09:58 (36), 01/12/2023 22:14 (1), 01/12/2023 22:28 (12), 11/15/2024 13:40 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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