CVE-2015-4171 Information disclosure in n/a
Remote attackers can obtain credentials by exploiting a flaw in strongSwan's IKEv2 authentication process when using EAP or pre-shared keys.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-4171?
CVE-2015-4171 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 10 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2015-4171?
It affects 4 products.
Linux distribution packages (5)
strongswan SUSE:Linux Enterprise Desktop 12 | All versions | 5.1.3-18.1 |
strongswan SUSE:Linux Enterprise Server 11 SP4 | All versions | 4.4.0-6.29.2 |
strongswan SUSE:Linux Enterprise Server 12 | All versions | 5.1.3-18.1 |
strongswan SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 4.4.0-6.29.2 |
strongswan SUSE:Linux Enterprise Server for SAP Applications 12 | All versions | 5.1.3-18.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Strongswan Strongswan, Strongswan Strongswan Vpn Client.
How do I fix CVE-2015-4171?
Upgrade to a fixed version.
Is CVE-2015-4171 being exploited?
There is no known exploitation of CVE-2015-4171 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-4171, DLA-244-1, DSA-3282-1, GHSA-mg6m-fcfp-8xqm, SUSE-SU-2015:1196-1, SUSE-SU-2015:1791-1 and 2 more.