Cisco WebEx Meetings Server up to 1.0 Entropy entropy

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco WebEx Meetings Server up to 1.0 and classified as problematic. The affected element is an unknown function of the component Entropy. The manipulation leads to entropy. This vulnerability is uniquely identified as CVE-2014-0691. 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 Cisco WebEx Meetings Server up to 1.0 (Unified Communication Software). This issue affects an unknown part of the component Entropy. The manipulation with an unknown input leads to a entropy vulnerability. Using CWE to declare the problem leads to CWE-331. The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cisco WebEx Meetings Server before 1.1 uses meeting IDs with insufficient entropy, which makes it easier for remote attackers to bypass authentication and join arbitrary meetings without a password, aka Bug ID CSCuc79643.

The bug was discovered 01/02/2014. The weakness was disclosed 10/24/2017 (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2014-0691 since 01/02/2014. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 130 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 75364 (openSUSE Security Update : kernel (openSUSE-SU-2014:0677-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l.

Upgrading to version 1.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (75364). The entry VDB-10015 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Entropy
CWE: CWE-331 / CWE-330 / CWE-310
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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Nessus ID: 75364
Nessus Name: openSUSE Security Update : kernel (openSUSE-SU-2014:0677-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for kernel openSUSE-SU-2014:0677-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebEx Meetings Server 1.1

Timelineinfo

01/02/2014 🔍
01/02/2014 +0 days 🔍
05/12/2014 +130 days 🔍
06/13/2014 +32 days 🔍
10/24/2017 +1229 days 🔍
10/24/2017 +0 days 🔍
10/25/2017 +1 days 🔍
11/30/2019 +766 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-0691 (🔍)
GCVE (CVE): GCVE-0-2014-0691
GCVE (VulDB): GCVE-100-108587
See also: 🔍

Entryinfo

Created: 10/25/2017 09:11
Updated: 11/30/2019 14:23
Changes: 10/25/2017 09:11 (72), 11/30/2019 14:23 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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