BigBlueButton up to 2.2.7 Session Cookie missing secure attribute

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in BigBlueButton up to 2.2.7 and classified as problematic. This vulnerability affects unknown code of the component Session Cookie Handler. The manipulation leads to missing secure attribute. This vulnerability is uniquely identified as CVE-2020-27606. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in BigBlueButton up to 2.2.7. This issue affects an unknown part of the component Session Cookie Handler. The manipulation with an unknown input leads to a missing secure attribute vulnerability. Using CWE to declare the problem leads to CWE-614. The Secure attribute for sensitive cookies in HTTPS sessions is not set, which could cause the user agent to send those cookies in plaintext over an HTTP session. Impacted is confidentiality.

The weakness was disclosed 10/22/2020. The advisory is shared at golem.de. The identification of this vulnerability is CVE-2020-27606. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1539 for this issue.

Upgrading to version 2.2.8 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Missing secure attribute
CWE: CWE-614 / CWE-1004 / CWE-732
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 2.2.8

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-2020-27606 (🔍)
GCVE (CVE): GCVE-0-2020-27606
GCVE (VulDB): GCVE-100-163397

Entryinfo

Created: 10/22/2020 21:18
Updated: 11/25/2020 17:09
Changes: 10/22/2020 21:18 (36), 11/25/2020 17:03 (2), 11/25/2020 17:09 (18)
Complete: 🔍
Cache ID: 216::103

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