VDB-201537 · CVE-2022-26363 · GCVE-0-2022-26363

Xen Mapping memory corruption

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Xen. It has been rated as critical. The affected element is an unknown function of the component Mapping Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2022-26363. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Xen (Virtualization Software) (version unknown). This affects an unknown function of the component Mapping Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 06/09/2022. The advisory is shared at xenbits.xen.org. This vulnerability is uniquely identified as CVE-2022-26363 since 03/02/2022. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

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

Productinfo

Type

Virtualization Software

Name

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/02/2022 🔍
06/09/2022 +98 days 🔍
06/09/2022 +0 days 🔍
06/11/2022 +2 days 🔍

Sourcesinfo

Advisory: xenbits.xen.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-26363 (🔍)
GCVE (CVE): GCVE-0-2022-26363
GCVE (VulDB): GCVE-100-201537

Entryinfo

Created: 06/09/2022 23:39
Updated: 06/11/2022 14:33
Changes: 06/09/2022 23:39 (38), 06/11/2022 14:33 (1)
Complete: 🔍
Cache ID: 216::103