A vulnerability classified as problematic has been found in ALEOS up to 4.4.8/4.9.4/4.12.x. Affected is an unknown part of the component ACEView Service. The manipulation with an unknown input leads to a authentication replay vulnerability. CWE is classifying the issue as CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A nonce reuse vulnerability exists in the ACEView service of ALEOS before 4.13.0, 4.9.5, and 4.4.9 allowing message replay. Captured traffic to the ACEView service can be replayed to other gateways sharing the same credentials.

The weakness was presented 08/21/2020. This vulnerability is traded as CVE-2019-11856 since 05/09/2019. The exploitability is told to be difficult. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

Upgrading to version 4.4.9, 4.9.5 or 4.13.0 eliminates this vulnerability.

See 160132, 160131, 160130 and 160129 for similar entries.

Productinfo

Name

• ALEOS

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 4.4.7
• 4.4.8
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.9.0
• 4.9.1
• 4.9.2
• 4.9.3
• 4.9.4
• 4.10
• 4.11
• 4.12

CPE 2.3info

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CPE 2.2info

• 🔍
• 🔍
• 🔍

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