PT-2015-6443 · Strongswan+3 · Strongswan Vpn Client+4

Alexander E. Patrakov · Published 2015-06-08 · Updated 2024-06-15 · CVE-2015-4171

Positive Technologies (AI Summary)

CVSS v2.0

2.6

Low

Base vector

AV:N/AC:H/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions strongSwan versions 4.3.0 through 5.x before 5.3.2 strongSwan VPN Client versions prior to 1.4.6

Description The issue concerns the authentication process for IKEv2 connections using EAP or pre-shared keys. It does not enforce server authentication restrictions until the entire authentication process is complete. This allows remote servers to obtain credentials by using a valid certificate and then reading the responses.

Recommendations For strongSwan versions 4.3.0 through 5.x before 5.3.2, update to version 5.3.2 or later to resolve the issue. For strongSwan VPN Client versions prior to 1.4.6, update to version 1.4.6 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2015-1501

CVE-2015-4171

DLA-244-1

DSA-3282-1

OPENSUSE-SU-2024:10579-1

SUSE-SU-2015:1196-1

SUSE-SU-2015:1227-1

SUSE-SU-2015:1791-1

SUSE-SU-2015_1196-1

SUSE-SU-2015_1227-1

SUSE-SU-2015_1791-1

USN-2628-1

Affected Products

Alt Linux

Suse

Ubuntu

Strongswan

Strongswan Vpn Client

References · 51

• https://osv.dev/vulnerability/openSUSE-SU-2024:10579-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/strongswan · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2015:1196-1 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2015-1501 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3282-1 · Vendor Advisory
• https://play.google.com/store/apps/details?id=org.strongswan.android · Patch
• https://osv.dev/vulnerability/USN-2628-1 · Vendor Advisory
• https://strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-4171 · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4171 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2015-4171 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2015:1791-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-4171 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2628-1 · Vendor Advisory