Open Build Service up to 2.10.4 OBS Package access control

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

Summaryinfo

A vulnerability identified as problematic has been detected in Open Build Service up to 2.10.4. The impacted element is an unknown function of the component OBS Package Handler. This manipulation causes access control. This vulnerability is tracked as CVE-2020-8021. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Open Build Service up to 2.10.4. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component OBS Package Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. The summary by CVE is:

a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.

The weakness was disclosed 05/19/2020 as Bug 1171649 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.suse.com. This vulnerability is known as CVE-2020-8021 since 01/27/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 2.10.5 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Open Build Service 2.10.5

Timelineinfo

01/27/2020 🔍
05/19/2020 +113 days 🔍
05/20/2020 +1 days 🔍
10/18/2020 +151 days 🔍

Sourcesinfo

Advisory: Bug 1171649
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-8021 (🔍)
GCVE (CVE): GCVE-0-2020-8021
GCVE (VulDB): GCVE-100-155437

Entryinfo

Created: 05/20/2020 06:25
Updated: 10/18/2020 19:11
Changes: 05/20/2020 06:25 (40), 05/20/2020 06:30 (11), 10/18/2020 19:03 (1), 10/18/2020 19:11 (1)
Complete: 🔍
Cache ID: 216::103

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