CVE-2015-4171
published 2015-06-10CVE-2015-4171: 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…
PriorityP419low2.6CVSS 2.0
AVNACHAuNCPINAN
EPSS
2.03%
78.8th percentile
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.
Affected
44 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | strongswan | < strongswan 5.3.1-1 (bookworm) | strongswan 5.3.1-1 (bookworm) |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
| strongswan | strongswan | — | — |
CVSS provenance
nvdv2.02.6LOWAV:N/AC:H/Au:N/C:P/I:N/A:N
osv2.6LOW
vendor_debian2.6LOW
vendor_redhat2.6LOW
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Red Hat
strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
vendor_redhat·2015-06-08·CVSS 2.6
CVE-2015-4171 [LOW] strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
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.
Statement: This issue did not affect the versions of strongimcv as shipped with Red Hat Enterprise Linux 7 as they did not include support for IKEv2.
Package: strongimcv (Red Hat Enterprise Linux 7) - Not affected
Ubuntu
strongSwan vulnerability
vendor_ubuntu·2015-06-08
CVE-2015-4171 strongSwan vulnerability
Title: strongSwan vulnerability
Summary: strongSwan could be made to expose sensitive information over the network.
Alexander E. Patrakov discovered that strongSwan incorrectly handled
certain IKEv2 setups. A malicious server could possibly use this issue to
obtain user credentials.
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2015-4171: strongswan - strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6...
vendor_debian·2015·CVSS 2.6
CVE-2015-4171 [LOW] CVE-2015-4171: strongswan - strongSwan 4.3.0 through 5.x before 5.3.2 and strongSwan VPN Client before 1.4.6...
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.
Scope: local
bookworm: resolved (fixed in 5.3.1-1)
bullseye: resolved (fixed in 5.3.1-1)
forky: resolved (fixed in 5.3.1-1)
sid: resolved (fixed in 5.3.1-1)
trixie: resolved (fixed in 5.3.1-1)
GHSA
GHSA-mg6m-fcfp-8xqm: strongSwan 4
ghsa_unreviewed·2022-05-17
CVE-2015-4171 [LOW] CWE-200 GHSA-mg6m-fcfp-8xqm: strongSwan 4
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.
OSV
CVE-2015-4171: strongSwan 4
osv·2015-06-10·CVSS 2.6
CVE-2015-4171 [LOW] CVE-2015-4171: strongSwan 4
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [fedora-all]
bugzilla·2015-06-12·CVSS 2.6
CVE-2015-4171 [LOW] CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [fedora-all]
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: thi
Bugzilla
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
bugzilla·2015-06-12·CVSS 2.6
CVE-2015-4171 [LOW] CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups
Alexander E. Patrakov recently reported a vulnerability in strongSwan
that may enable rogue servers to gain user credentials from a client in
certain IKEv2 setups [1]. Affected are all strongSwan versions since
4.3.0 including the latest 5.3.1.
CVE-2015-4171 has been assigned for this vulnerability.
The problem occurs in IKEv2 connections where the server is
authenticated with a certificate and the client authenticates itself
with EAP or pre-shared keys. Any constraints the client has for the
server's authentication (e.g. rightid or rightca) are only enforced
after all authentication rounds are completed successfully. A rogue
server that is able to authenticate itself with a v
Bugzilla
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [epel-all]
bugzilla·2015-06-12·CVSS 2.6
CVE-2015-4171 [LOW] CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [epel-all]
CVE-2015-4171 strongswan: rogue servers are able to gain user credentials from a client in certain IKEv2 setups [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora EPEL.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE:
http://lists.opensuse.org/opensuse-updates/2015-06/msg00040.htmlhttp://www.debian.org/security/2015/dsa-3282http://www.openwall.com/lists/oss-security/2015/05/29/6http://www.openwall.com/lists/oss-security/2015/05/29/7http://www.openwall.com/lists/oss-security/2015/06/08/4http://www.securityfocus.com/bid/74933http://www.securitytracker.com/id/1032514http://www.ubuntu.com/usn/USN-2628-1https://bugzilla.suse.com/show_bug.cgi?id=933591https://play.google.com/store/apps/details?id=org.strongswan.androidhttps://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.htmlhttps://www.suse.com/security/cve/CVE-2015-4171.htmlhttp://lists.opensuse.org/opensuse-updates/2015-06/msg00040.htmlhttp://www.debian.org/security/2015/dsa-3282http://www.openwall.com/lists/oss-security/2015/05/29/6http://www.openwall.com/lists/oss-security/2015/05/29/7http://www.openwall.com/lists/oss-security/2015/06/08/4http://www.securityfocus.com/bid/74933http://www.securitytracker.com/id/1032514http://www.ubuntu.com/usn/USN-2628-1https://bugzilla.suse.com/show_bug.cgi?id=933591https://play.google.com/store/apps/details?id=org.strongswan.androidhttps://www.strongswan.org/blog/2015/06/08/strongswan-vulnerability-%2528cve-2015-4171%2529.htmlhttps://www.suse.com/security/cve/CVE-2015-4171.html
2015-06-10
Published