+strongswan-5.5.2
+----------------
+
+- Support of Diffie-Hellman group 31 using Curve25519 for IKE as defined
+ by RFC 8031.
+
+- Support of Ed25519 digital signature algorithm for IKEv2 as defined by
+ draft-ietf-ipsecme-eddsa. Ed25519-based public key pairs, X.509 certificates
+ and CRLs can be generated and printed by the pki tool.
+
+- In-place update of cached base and delta CRLs does no leave dozens
+ of stale copies in cache memory.
+
+
+strongswan-5.5.1
+----------------
+
+- The newhope plugin implements the post-quantum NewHope key exchange algorithm
+ proposed in their 2015 paper by Erdem Alkim, Léo Ducas, Thomas Pöppelmann and
+ Peter Schwabe.
+
+- The libstrongswan crypto factory now offers the registration of Extended
+ Output Functions (XOFs). Currently supported XOFs are SHAKE128 and SHAKE256
+ implemented by the sha3 plugin, ChaCHa20 implemented by the chapoly plugin
+ and the more traditional MGF1 Mask Generation Functions based on the SHA-1,
+ SHA-256 and SHA-512 hash algorithms implemented by the new mgf1 plugin.
+
+- The pki tool, with help of the pkcs1 or openssl plugins, can parse private
+ keys in any of the supported formats without having to know the exact type.
+ So instead of having to specify rsa or ecdsa explicitly the keyword priv may
+ be used to indicate a private key of any type. Similarly, swanctl can load
+ any type of private key from the swanctl/private directory.
+
+- The pki tool can handle RSASSA-PKCS1v1.5-with-SHA-3 signatures using the
+ sha3 and gmp plugins.
+
+- The VICI flush-certs command flushes certificates from the volatile
+ certificate cache. Optionally the type of the certificates to be
+ flushed (e.g. type = x509_crl) can be specified.
+
+- Setting cache_crls = yes in strongswan.conf the vici plugin saves regular,
+ base and delta CRLs to disk.
+
+- IKE fragmentation is now enabled by default with the default fragment size
+ set to 1280 bytes for both IP address families.
+
+- libtpmtss: In the TSS2 API the function TeardownSocketTcti() was replaced by
+ tss2_tcti_finalize().
+
+
+strongswan-5.5.0
+----------------
+
+- The new libtpmtss library offers support for both TPM 1.2 and TPM 2.0
+ Trusted Platform Modules. This allows the Attestation IMC/IMV pair to
+ do TPM 2.0 based attestation.
+
+- The behavior during IKEv2 exchange collisions has been improved/fixed in
+ several corner cases and support for TEMPORARY_FAILURE and CHILD_SA_NOT_FOUND
+ notifies, as defined by RFC 7296, has been added.
+
+- IPsec policy priorities can be set manually (e.g. for high-priority drop
+ policies) and outbound policies may be restricted to a network interface.
+
+- The scheme for the automatically calculated default priorities has been
+ changed and now also considers port masks, which were added with 5.4.0.
+
+- FWD policies are now installed in both directions in regards to the traffic
+ selectors. Because such "outbound" FWD policies could conflict with "inbound"
+ FWD policies of other SAs they are installed with a lower priority and don't
+ have a reqid set, which allows kernel plugins to distinguish between the two
+ and prefer those with a reqid.
+
+- For outbound IPsec SAs no replay window is configured anymore.
+
+- Enhanced the functionality of the swanctl --list-conns command by listing
+ IKE_SA and CHILD_SA reauthentication and rekeying settings, and EAP/XAuth
+ identities and EAP types.
+
+- DNS servers installed by the resolve plugin are now refcounted, which should
+ fix its use with make-before-break reauthentication. Any output written to
+ stderr/stdout by resolvconf is now logged.
+
+- The methods in the kernel interfaces have been changed to take structs instead
+ of long lists of arguments. Similarly the constructors for peer_cfg_t and
+ child_cfg_t now take structs.
+
+
+strongswan-5.4.0
+----------------
+
+- Support for IKEv2 redirection (RFC 5685) has been added. Plugins may
+ implement the redirect_provider_t interface to decide if and when to redirect
+ connecting clients. It is also possible to redirect established IKE_SAs based
+ on different selectors via VICI/swanctl. Unless disabled in strongswan.conf
+ the charon daemon will follow redirect requests received from servers.
+
+- The ike: prefix enables the explicit configuration of signature scheme
+ constraints against IKEv2 authentication in rightauth, which allows the use
+ of different signature schemes for trustchain verification and authentication.
+
+- The initiator of an IKEv2 make-before-break reauthentication now suspends
+ online certificate revocation checks (OCSP, CRLs) until the new IKE_SA and all
+ CHILD_SAs are established. This is required if the checks are done over the
+ CHILD_SA established with the new IKE_SA. This is not possible until the
+ initiator installs this SA and that only happens after the authentication is
+ completed successfully. So we suspend the checks during the reauthentication
+ and do them afterwards, if they fail the IKE_SA is closed. This change has no
+ effect on the behavior during the authentication of the initial IKE_SA.
+
+- For the vici plugin a Vici:Session Perl CPAN module has been added to allow
+ Perl applications to control and/or monitor the IKE daemon using the VICI
+ interface, similar to the existing Python egg or Ruby gem.
+
+- Traffic selectors with port ranges can now be configured in the Linux kernel:
+ e.g. remote_ts = 10.1.0.0/16[tcp/20-23] local_ts = dynamic[tcp/32768-65535].
+ The port range must map to a port mask, though since the kernel does not
+ support arbitrary ranges.
+
+- The vici plugin allows the configuration of IPv4 and IPv6 address ranges
+ in local and remote traffic selectors. Since both the Linux kernel and
+ iptables cannot handle arbitrary ranges, address ranges are mapped to the next
+ larger CIDR subnet by the kernel-netlink and updown plugins, respectively.
+
+- Implemented IKEv1 IPv4/IPv6 address subnet and range identities that can be
+ used as owners of shared secrets.
+
+
+strongswan-5.3.5
+----------------
+
+- Properly handle potential EINTR errors in sigwaitinfo(2) calls that replaced
+ sigwait(3) calls with 5.3.4.
+
+- RADIUS retransmission timeouts are now configurable, courtesy of Thom Troy.
+
+
+strongswan-5.3.4
+----------------
+
+- Fixed an authentication bypass vulnerability in the eap-mschapv2 plugin that
+ was caused by insufficient verification of the internal state when handling
+ MSCHAPv2 Success messages received by the client.
+ This vulnerability has been registered as CVE-2015-8023.
+
+- The sha3 plugin implements the SHA3 Keccak-F1600 hash algorithm family.
+ Within the strongSwan framework SHA3 is currently used for BLISS signatures
+ only because the OIDs for other signature algorithms haven't been defined
+ yet. Also the use of SHA3 for IKEv2 has not been standardized yet.
+
+
+strongswan-5.3.3
+----------------
+
+- Added support for the ChaCha20/Poly1305 AEAD cipher specified in RFC 7539 and
+ RFC 7634 using the chacha20poly1305 ike/esp proposal keyword. The new chapoly
+ plugin implements the cipher, if possible SSE-accelerated on x86/x64
+ architectures. It is usable both in IKEv2 and the strongSwan libipsec ESP
+ backend. On Linux 4.2 or newer the kernel-netlink plugin can configure the
+ cipher for ESP SAs.
+
+- The vici interface now supports the configuration of auxiliary certification
+ authority information as CRL and OCSP URIs.
+
+- In the bliss plugin the c_indices derivation using a SHA-512 based random
+ oracle has been fixed, generalized and standardized by employing the MGF1 mask
+ generation function with SHA-512. As a consequence BLISS signatures unsing the
+ improved oracle are not compatible with the earlier implementation.
+
+- Support for auto=route with right=%any for transport mode connections has
+ been added (the ikev2/trap-any scenario provides examples).
+
+- The starter daemon does not flush IPsec policies and SAs anymore when it is
+ stopped. Already existing duplicate policies are now overwritten by the IKE
+ daemon when it installs its policies.
+
+- Init limits (like charon.init_limit_half_open) can now optionally be enforced
+ when initiating SAs via VICI. For this, IKE_SAs initiated by the daemon are
+ now also counted as half-open SAs, which, as a side-effect, fixes the status
+ output while connecting (e.g. in ipsec status).
+
+- Symmetric configuration of EAP methods in left|rightauth is now possible when
+ mutual EAP-only authentication is used (previously, the client had to
+ configure rightauth=eap or rightauth=any, which prevented it from using this
+ same config as responder).
+
+- The initiator flag in the IKEv2 header is compared again (wasn't the case
+ since 5.0.0) and packets that have the flag set incorrectly are again ignored.
+
+- Implemented a demo Hardcopy Device IMC/IMV pair based on the "Hardcopy
+ Device Health Assessment Trusted Network Connect Binding" (HCD-TNC)
+ document drafted by the IEEE Printer Working Group (PWG).
+
+- Fixed IF-M segmentation which failed in the presence of multiple small
+ attributes in front of a huge attribute to be segmented.
+
+
+strongswan-5.3.2
+----------------
+
+- Fixed a vulnerability that allowed rogue servers with a valid certificate
+ accepted by the client to trick it into disclosing its username and even
+ password (if the client accepts EAP-GTC). This was caused because constraints
+ against the responder's authentication were enforced too late.
+ This vulnerability has been registered as CVE-2015-4171.
+
+
+strongswan-5.3.1
+----------------
+
+- Fixed a denial-of-service and potential remote code execution vulnerability
+ triggered by IKEv1/IKEv2 messages that contain payloads for the respective
+ other IKE version. Such payload are treated specially since 5.2.2 but because
+ they were still identified by their original payload type they were used as
+ such in some places causing invalid function pointer dereferences.
+ The vulnerability has been registered as CVE-2015-3991.
+
+- The new aesni plugin provides CBC, CTR, XCBC, CMAC, CCM and GCM crypto
+ primitives for AES-128/192/256. The plugin requires AES-NI and PCLMULQDQ
+ instructions and works on both x86 and x64 architectures. It provides
+ superior crypto performance in userland without any external libraries.
+
+
+strongswan-5.3.0
+----------------
+
+- Added support for IKEv2 make-before-break reauthentication. By using a global
+ CHILD_SA reqid allocation mechanism, charon supports overlapping CHILD_SAs.
+ This allows the use of make-before-break instead of the previously supported
+ break-before-make reauthentication, avoiding connectivity gaps during that
+ procedure. As the new mechanism may fail with peers not supporting it (such
+ as any previous strongSwan release) it must be explicitly enabled using
+ the charon.make_before_break strongswan.conf option.
+
+- Support for "Signature Authentication in IKEv2" (RFC 7427) has been added.
+ This allows the use of stronger hash algorithms for public key authentication.
+ By default, signature schemes are chosen based on the strength of the
+ signature key, but specific hash algorithms may be configured in leftauth.
+
+- Key types and hash algorithms specified in rightauth are now also checked
+ against IKEv2 signature schemes. If such constraints are used for certificate
+ chain validation in existing configurations, in particular with peers that
+ don't support RFC 7427, it may be necessary to disable this feature with the
+ charon.signature_authentication_constraints setting, because the signature
+ scheme used in classic IKEv2 public key authentication may not be strong
+ enough.
+
+- The new connmark plugin allows a host to bind conntrack flows to a specific
+ CHILD_SA by applying and restoring the SA mark to conntrack entries. This
+ allows a peer to handle multiple transport mode connections coming over the
+ same NAT device for client-initiated flows. A common use case is to protect
+ L2TP/IPsec, as supported by some systems.
+
+- The forecast plugin can forward broadcast and multicast messages between
+ connected clients and a LAN. For CHILD_SA using unique marks, it sets up
+ the required Netfilter rules and uses a multicast/broadcast listener that
+ forwards such messages to all connected clients. This plugin is designed for
+ Windows 7 IKEv2 clients, which announces its services over the tunnel if the
+ negotiated IPsec policy allows it.
+
+- For the vici plugin a Python Egg has been added to allow Python applications
+ to control or monitor the IKE daemon using the VICI interface, similar to the
+ existing ruby gem. The Python library has been contributed by Björn Schuberg.
+
+- EAP server methods now can fulfill public key constraints, such as rightcert
+ or rightca. Additionally, public key and signature constraints can be
+ specified for EAP methods in the rightauth keyword. Currently the EAP-TLS and
+ EAP-TTLS methods provide verification details to constraints checking.
+
+- Upgrade of the BLISS post-quantum signature algorithm to the improved BLISS-B
+ variant. Can be used in conjunction with the SHA256, SHA384 and SHA512 hash
+ algorithms with SHA512 being the default.
+
+- The IF-IMV 1.4 interface now makes the IP address of the TNC access requestor
+ as seen by the TNC server available to all IMVs. This information can be
+ forwarded to policy enforcement points (e.g. firewalls or routers).
+
+- The new mutual tnccs-20 plugin parameter activates mutual TNC measurements
+ in PB-TNC half-duplex mode between two endpoints over either a PT-EAP or
+ PT-TLS transport medium.
+
+
+strongswan-5.2.2
+----------------
+
+- Fixed a denial-of-service vulnerability triggered by an IKEv2 Key Exchange
+ payload that contains the Diffie-Hellman group 1025. This identifier was
+ used internally for DH groups with custom generator and prime. Because
+ these arguments are missing when creating DH objects based on the KE payload
+ an invalid pointer dereference occurred. This allowed an attacker to crash
+ the IKE daemon with a single IKE_SA_INIT message containing such a KE
+ payload. The vulnerability has been registered as CVE-2014-9221.
+
+- The left/rightid options in ipsec.conf, or any other identity in strongSwan,
+ now accept prefixes to enforce an explicit type, such as email: or fqdn:.
+ Note that no conversion is done for the remaining string, refer to
+ ipsec.conf(5) for details.
+
+- The post-quantum Bimodal Lattice Signature Scheme (BLISS) can be used as
+ an IKEv2 public key authentication method. The pki tool offers full support
+ for the generation of BLISS key pairs and certificates.
+
+- Fixed mapping of integrity algorithms negotiated for AH via IKEv1. This could
+ cause interoperability issues when connecting to older versions of charon.
+
+
strongswan-5.2.1
----------------
as configuration backend, building a simple and lightweight solution. It
supports native systemd journal logging.
+- Support for IKEv2 fragmentation as per RFC 7383 has been added. Like IKEv1
+ fragmentation it can be enabled by setting fragmentation=yes in ipsec.conf.
+
- Support of the TCG TNC IF-M Attribute Segmentation specification proposal.
All attributes can be segmented. Additionally TCG/SWID Tag, TCG/SWID Tag ID
and IETF/Installed Packages attributes can be processed incrementally on a
- The new ext-auth plugin calls an external script to implement custom IKE_SA
authorization logic, courtesy of Vyronas Tsingaras.
+- For the vici plugin a ruby gem has been added to allow ruby applications
+ to control or monitor the IKE daemon. The vici documentation has been updated
+ to include a description of the available operations and some simple examples
+ using both the libvici C interface and the ruby gem.
+
strongswan-5.2.0
----------------
projects / thirdparty / strongswan.git / blobdiff