Opencast up to 7.8/8.8 Hostname Verification origin validation

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 (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Opencast up to 7.8/8.8. This affects an unknown part of the component Hostname Verification. Performing a manipulation results in origin validation. This vulnerability was named CVE-2020-26234. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Opencast up to 7.8/8.8. This affects some unknown functionality of the component Hostname Verification. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/09/2020. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-26234. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.9 or 8.9 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
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: Opencast 7.9/8.9
Patch: github.com

Timelineinfo

10/01/2020 🔍
12/09/2020 +69 days 🔍
12/09/2020 +0 days 🔍
12/14/2020 +5 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-26234 (🔍)
GCVE (CVE): GCVE-0-2020-26234
GCVE (VulDB): GCVE-100-165783

Entryinfo

Created: 12/09/2020 10:20
Updated: 12/14/2020 06:59
Changes: 12/09/2020 10:20 (38), 12/14/2020 06:54 (7), 12/14/2020 06:59 (8)
Complete: 🔍
Cache ID: 216::103

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