BigBlueButton up to 2.2.27 Content-Type Header cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in BigBlueButton up to 2.2.27. It has been classified as problematic. Impacted is an unknown function of the component Content-Type Header Handler. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2020-27608. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in BigBlueButton up to 2.2.27 and classified as problematic. Affected by this vulnerability is an unknown code block of the component Content-Type Header Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was shared 10/22/2020. It is possible to read the advisory at golem.de. This vulnerability is known as CVE-2020-27608. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 2.2.28 eliminates this vulnerability.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.0
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: BigBlueButton 2.2.28

Timelineinfo

10/21/2020 🔍
10/22/2020 +1 days 🔍
10/22/2020 +0 days 🔍
11/25/2020 +34 days 🔍

Sourcesinfo

Advisory: golem.de
Status: Not defined

CVE: CVE-2020-27608 (🔍)
GCVE (CVE): GCVE-0-2020-27608
GCVE (VulDB): GCVE-100-163399

Entryinfo

Created: 10/22/2020 21:22
Updated: 11/25/2020 17:29
Changes: 10/22/2020 21:22 (36), 11/25/2020 17:24 (2), 11/25/2020 17:29 (18)
Complete: 🔍
Cache ID: 216::103

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