Vulnerability identifier: #VU13024
Vulnerability risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2018-5388
CWE-ID:
CWE-124
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
strongSwan
Server applications /
Encryption software
Vendor: strongswan.org
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to buffer underflow stroke_socket.c while improper checking of packet length. A local attacker can submit specially crafted packets, trigger resource exhaustion and cause the service to crash while reading from the socket.
Mitigation
Update to version 5.6.2.
Vulnerable software versions
strongSwan: 5.0.0 - 5.6.1
External links
https://bugzilla.redhat.com/show_bug.cgi?id=1581867
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.