Unify OpenScape prior R3.32.0 Session Cookie entropy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Unify OpenScape. Impacted is an unknown function of the component Session Cookie Handler. This manipulation causes entropy. This vulnerability appears as CVE-2014-8422. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Unify OpenScape. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Session Cookie Handler. The manipulation with an unknown input leads to a entropy vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The web-based management (WBM) interface in Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 generates session cookies with insufficient entropy, which makes it easier for remote attackers to hijack sessions via a brute-force attack.

The bug was discovered 02/26/2015. The weakness was presented 04/12/2018 (Website). It is possible to read the advisory at networks.unify.com. This vulnerability is known as CVE-2014-8422 since 10/22/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 1141 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version R3.32.0 eliminates this vulnerability.

See VDB-116142 and VDB-116145 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 8.1
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenScape R3.32.0

Timelineinfo

10/22/2014 🔍
02/26/2015 +127 days 🔍
04/12/2018 +1140 days 🔍
04/12/2018 +0 days 🔍
04/16/2018 +4 days 🔍
01/24/2020 +648 days 🔍

Sourcesinfo

Advisory: networks.unify.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-8422 (🔍)
GCVE (CVE): GCVE-0-2014-8422
GCVE (VulDB): GCVE-100-116143
See also: 🔍

Entryinfo

Created: 04/16/2018 09:10
Updated: 01/24/2020 17:47
Changes: 04/16/2018 09:10 (59), 01/24/2020 17:47 (2)
Complete: 🔍
Cache ID: 216::103

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