#VU32414 Information disclosure in strongSwan - CVE-2015-4171
Published: June 10, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32414
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-4171
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
strongSwan
strongSwan
Software vendor:
strongswan.org
strongswan.org
Description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6, when using EAP or pre-shared keys for authenticating an IKEv2 connection, does not enforce server authentication restrictions until the entire authentication process is complete, which allows remote servers to obtain credentials by using a valid certificate and then reading the responses.
Remediation
Install update from vendor's website.
External links
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html
- http://www.debian.org/security/2015/dsa-3282
- http://www.openwall.com/lists/oss-security/2015/05/29/6
- http://www.openwall.com/lists/oss-security/2015/05/29/7
- http://www.openwall.com/lists/oss-security/2015/06/08/4
- http://www.securityfocus.com/bid/74933
- http://www.securitytracker.com/id/1032514
- http://www.ubuntu.com/usn/USN-2628-1
- https://bugzilla.suse.com/show_bug.cgi?id=933591
- https://play.google.com/store/apps/details?id=org.strongswan.android
- https://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.html
- https://www.suse.com/security/cve/CVE-2015-4171.html