Vulnerability identifier: #VU86362

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Allegra
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Steinbeis GmbH & Co. KG

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the downloadExportedChart action. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Allegra: 5.1.0 - 7.5.0

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External links
http://www.zerodayinitiative.com/advisories/ZDI-24-110/
http://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.