snapd prior 2.54.3+18.04/2.54.3+20.04/2.54.3+21.10.1 snap-confine race condition

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 has been found in snapd and classified as critical. Affected by this issue is some unknown functionality of the file snap-confine. This manipulation causes race condition. This vulnerability is registered as CVE-2021-44731. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in snapd and classified as critical. Affected by this vulnerability is an unknown part of the file snap-confine. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 02/18/2022 as USN-5292-1. It is possible to read the advisory at ubuntu.com. This vulnerability is known as CVE-2021-44731 since 12/08/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.54.3+18.04, 2.54.3+20.04 or 2.54.3+21.10.1 eliminates this vulnerability.

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

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: snapd 2.54.3+18.04/2.54.3+20.04/2.54.3+21.10.1

Timelineinfo

12/08/2021 🔍
02/18/2022 +72 days 🔍
02/18/2022 +0 days 🔍
02/19/2022 +1 days 🔍

Sourcesinfo

Advisory: USN-5292-1
Status: Confirmed

CVE: CVE-2021-44731 (🔍)
GCVE (CVE): GCVE-0-2021-44731
GCVE (VulDB): GCVE-100-193315

Entryinfo

Created: 02/18/2022 09:04
Updated: 02/19/2022 14:33
Changes: 02/18/2022 09:04 (48), 02/19/2022 14:32 (1), 02/19/2022 14:33 (1)
Complete: 🔍
Cache ID: 216::103

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

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