Vulnerability identifier: #VU12916
Vulnerability risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-362
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FlowSsh Library
Universal components / Libraries /
Libraries used by multiple products
Vendor: Bitvise
Description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists in a zlib compression library component due to race condition. A remote attacker can corrupt decompressed data in a different user's session and cause the service to crash.
Mitigation
Update to version 7.41.
Vulnerable software versions
FlowSsh Library: 5.27 - 7.39
External links
https://www.bitvise.com/flowssh-version-history#security-notification-741
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.