Vulnerability identifier: #VU86363
Vulnerability risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
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 user to compromise the affected system.
The vulnerability exists due to input validation error when processing directory traversal sequences within the uploadSimpleFile method. A remote user can send a specially crafted HTTP request and overwrite arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Allegra: 5.1.0 - 7.5.0
External links
http://www.zerodayinitiative.com/advisories/ZDI-24-109/
http://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.