Vulnerabilities > CVE-2014-8422 - Insufficient Entropy vulnerability in Unify Openscape Desk Phone IP SIP and Openstage SIP

CVSS 8.1 - HIGH

Attack vector

NETWORK

Attack complexity

HIGH

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

high complexity

unify

CWE-331

NVD

Published: 2018-04-12

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Unify Unify Openstage SIP R1.31.0 Unify Openstage SIP R1.35.0 Unify Openstage SIP R1.38.0 Unify Openstage SIP R1.41.0 Unify Openstage SIP R1.43.0 Unify Openstage SIP R1.44.0 Unify Openstage SIP R1.49.0 Unify Openstage SIP R1.50.0 Unify Openstage SIP R3.9.0 Unify Openstage SIP R3.11.0 Unify Openstage SIP R3.17.0 Unify Openstage SIP R3.24.0 Unify Openscape Desk Phone IP SIP R3.9.0 Unify Openscape Desk Phone IP SIP R3.11.0 Unify Openscape Desk Phone IP SIP R3.17.0 Unify Openscape Desk Phone IP SIP R3.24.0	16
Hardware	Unify Unify Openstage 20 - Unify Openstage 40 - Unify Openstage 60 -	3
Hardware	Atos Atos Openscape Desk Phone IP 35G - Atos Openscape Desk Phone IP 35G ECO - Atos Openscape Desk Phone IP 55G -	3

Common Weakness Enumeration (CWE)

CWE-331 - Insufficient Entropy

Common Attack Pattern Enumeration and Classification (CAPEC)

Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

References