Vulnerability identifier: #VU69592
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-129
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FreeRDP
Universal components / Libraries /
Libraries used by multiple products
Vendor: FreeRDP
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a missing range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it.
Successful exploitation of the vulnerability may allows remote code execution.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FreeRDP: 2.0.0 - 2.8.1
External links
http://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh
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.