VDB-12151 · CVE-2012-6399 · SA51412

Cisco WebEx 4.1 Certificate input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Cisco WebEx 4.1. The impacted element is an unknown function of the component Certificate Handler. This manipulation causes input validation. This vulnerability is handled as CVE-2012-6399. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Cisco WebEx 4.1 (Unified Communication Software). Affected by this vulnerability is some unknown processing of the component Certificate Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject s Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, aka Bug ID CSCud94176.

The weakness was released 05/24/2013 by Charlie Eriksen as Cisco WebEx for iOS Certificate Verification Security Issue as not defined advisory (Website). It is possible to read the advisory at secunia.com. The vendor was not involved in the public release. This vulnerability is known as CVE-2012-6399 since 12/16/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a private exploit is available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/17/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at OSVDB (93682†) and Secunia (SA51412†). Entries connected to this vulnerability are available at VDB-12155 and VDB-12147. Be aware that VulDB is the high quality source 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: 6.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2012 🔍
05/24/2013 +159 days 🔍
05/24/2013 +0 days 🔍
05/27/2013 +3 days 🔍
02/04/2014 +253 days 🔍
05/17/2018 +1563 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Cisco WebEx for iOS Certificate Verification Security Issue⛔
Researcher: Charlie Eriksen
Status: Not defined

CVE: CVE-2012-6399 (🔍)
GCVE (CVE): GCVE-0-2012-6399
GCVE (VulDB): GCVE-100-12151
Secunia: 51412 - Cisco WebEx for iOS Certificate Verification Security Issue, Less Critical
OSVDB: 93682

See also: 🔍

Entryinfo

Created: 02/04/2014 14:47
Updated: 05/17/2018 08:41
Changes: 02/04/2014 14:47 (54), 05/17/2018 08:41 (6)
Complete: 🔍
Committer:
Cache ID: 216::103

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

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