Memory corruption in strongSwan - CVE-2018-6459

Vulnerability identifier: #VU10821

CSH Severity: Low

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-6459

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the rsa_pss_params_parse function due to improper processing of RSAASSA-PSS signatures. A remote attacker can submit a specially crafted signature, trigger memory corruption and cause the service to crash.

strongSwan
Gentoo Linux
Arch Linux
Opensuse
strongswan (Alpine package)

Update to version 5.6.2.

strongswan (Alpine package) - update to 5.6.2-r0

• https://www.strongswan.org/blog/2018/02/19/strongswan-vulnerability-(cve-2018-6459).html

• Denial of service in strongSwan
• Gentoo update for strongSwan
• Arch Linux update for strongswan
• OpenSUSE Linux update for strongswan
• Memory corruption in strongswan (Alpine package)