PulseAudio on Ubuntu Snap Policy race condition

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability was found in PulseAudio on Ubuntu and classified as problematic. This affects an unknown part of the component Snap Policy Module. Such manipulation leads to race condition. This vulnerability is documented as CVE-2020-16123. The attack needs to be performed locally. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PulseAudio on Ubuntu and classified as problematic. Affected by this issue is an unknown code of the component Snap Policy Module. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality.

The weakness was released 12/04/2020. The advisory is shared for download at launchpad.net. This vulnerability is handled as CVE-2020-16123. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 1:13.99.3-1ubuntu2, 1:13.99.2-1ubuntu2.1, 1:13.99.1-1ubuntu3.8, 1:11.1-1ubuntu7.11 or 1:8.0-0ubuntu3.15 eliminates this vulnerability.

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.4

VulDB Base Score: 2.2
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

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: PulseAudio 1:13.99.3-1ubuntu2/1:13.99.2-1ubuntu2.1/1:13.99.1-1ubuntu3.8/1:11.1-1ubuntu7.11/1:8.0-0ubuntu3.15

Timelineinfo

07/29/2020 🔍
12/04/2020 +128 days 🔍
12/04/2020 +0 days 🔍
12/12/2020 +8 days 🔍

Sourcesinfo

Advisory: launchpad.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-16123 (🔍)
GCVE (CVE): GCVE-0-2020-16123
GCVE (VulDB): GCVE-100-165596

Entryinfo

Created: 12/04/2020 10:00
Updated: 12/12/2020 17:53
Changes: 12/04/2020 10:00 (37), 12/12/2020 17:50 (5), 12/12/2020 17:53 (19)
Complete: 🔍
Cache ID: 216::103

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