A vulnerability classified as problematic was found in Jabber Open Source Server up to 2.3.2. Affected by this vulnerability is an unknown part of the file c2s/c2s.c of the component UTF-8 Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

c2s/c2s.c in Jabber Open Source Server 2.3.2 and earlier truncates data without ensuring it remains valid UTF-8, which allows remote authenticated users to read system memory or possibly have other unspecified impact via a crafted JID.

The weakness was shared 08/12/2015 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2015-2058 since 02/23/2015. The attack can be launched remotely. A single authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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

The entry 77060 is related to this item.

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• Jabber

Name

• Open Source Server

Version

• 2.3.0
• 2.3.1
• 2.3.2

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CPE 2.2info

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