Fedora 34 update for freerdp, gnome-boxes, gnome-connections, gnome-remote-desktop, guacamole-server, hydra, medusa, pidgin-sipe, remmina, vinagre, weston
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-41160 |
| CWE-ID | CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system weston Operating systems & Components / Operating system package or component vinagre Operating systems & Components / Operating system package or component remmina Operating systems & Components / Operating system package or component pidgin-sipe Operating systems & Components / Operating system package or component medusa Operating systems & Components / Operating system package or component hydra Operating systems & Components / Operating system package or component guacamole-server Operating systems & Components / Operating system package or component gnome-remote-desktop Operating systems & Components / Operating system package or component gnome-connections Operating systems & Components / Operating system package or component gnome-boxes Operating systems & Components / Operating system package or component freerdp Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU57584
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
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 repository.
Vulnerable software versionsFedora: 34
weston: before 8.0.0-9.fc34
vinagre: before 3.22.0-23.fc34
remmina: before 1.4.21-1.fc34
pidgin-sipe: before 1.25.0-11.fc34
medusa: before 2.2-17.20181216git292193b.fc34
hydra: before 9.2-3.fc34
guacamole-server: before 1.3.0-9.fc34
gnome-remote-desktop: before 40.2-2.fc34
gnome-connections: before 40.0.1-4.fc34
gnome-boxes: before 40.3-2.fc34
freerdp: before 2.4.1-1.fc34
CPE2.3- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:weston:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:vinagre:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:remmina:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:pidgin-sipe:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:medusa:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:hydra:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:guacamole-server:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:gnome-remote-desktop:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:gnome-connections:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:gnome-boxes:*:*:*:*:*:fedora:*:*
- cpe:2.3:o:fedoraproject:freerdp:*:*:*:*:*:fedora:*:*
https://bodhi.fedoraproject.org/updates/FEDORA-2021-5d227916bc
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.
