Vulnerability identifier: #VU52312
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenSSH
Server applications /
Remote management servers, RDP, SSH
Vendor: OpenSSH
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions, when LogVerbose keyword option is enabled with a set of options that activated logging for the low-privileged sandboxed sshd process. A remote user who can exploit the low-privileged process can escape the OpenSSH sendboxing and attack the high-level processes.
Successful exploitation of this vulnerability requires presence of security issue in the low-level process.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
OpenSSH: 8.5p1
External links
http://www.openssh.com/txt/release-8.6
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.