VDB-215853 · CVE-2022-46344 · Nessus 211333

X.Org X11 Server XIChangeProperty out-of-bounds

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in X.Org X11 Server. Affected by this vulnerability is the function XIChangeProperty. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2022-46344. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in X.Org X11 Server (Windowing System Software) (affected version unknown). It has been classified as problematic. This affects the function XIChangeProperty. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. 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 presented 12/15/2022. The advisory is shared at access.redhat.com. This vulnerability is uniquely identified as CVE-2022-46344 since 11/30/2022. Technical details are known, but no exploit is 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). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Windowing System Software

Vendor

X.Org

Name

X11 Server

License

open-source

Website

Vendor: https://www.x.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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: Not defined

CVE: CVE-2022-46344 (🔍)
GCVE (CVE): GCVE-0-2022-46344
GCVE (VulDB): GCVE-100-215853

Entryinfo

Created: 12/15/2022 09:53
Updated: 11/15/2024 13:40
Changes: 12/15/2022 09:53 (38), 01/12/2023 20:47 (1), 01/12/2023 20:53 (11), 11/15/2024 13:40 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.