xorg-x11-server up to 1.20.10 Xserver integer underflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as critical has been found in xorg-x11-server up to 1.20.10 (Windowing System Software). Affected is an unknown function of the component Xserver. The manipulation with an unknown input leads to a integer underflow vulnerability. CWE is classifying the issue as CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 04/27/2021. The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2021-3472. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.20.11 eliminates this vulnerability.

The entries VDB-16495 and VDB-21087 are pretty similar.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: xorg-x11-server 1.20.11

Timelineinfo

03/29/2021 🔍
04/27/2021 +29 days 🔍
04/27/2021 +0 days 🔍
05/02/2021 +5 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3472 (🔍)
See also: 🔍

Entryinfo

Created: 04/27/2021 15:08
Updated: 05/02/2021 07:19
Changes: 04/27/2021 15:08 (39), 05/02/2021 07:19 (5)
Complete: 🔍
Cache ID: 18:08A:103

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