Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-41159 CVE-2021-41160 |
CWE-ID | CWE-787 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
FreeRDP Universal components / Libraries / Libraries used by multiple products |
Vendor | FreeRDP |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU57585
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41159
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing /gt:rpc connections. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.4.0
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vh34-m9h7-95xq
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.
EUVDB-ID: #VU57584
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41160
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing connections with GDI or SurfaceCommands. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFreeRDP: 2.0.0 - 2.4.0
External linkshttp://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7c9r-6r2q-93qg
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.