This update for strongswan provides the following fixes :

Security issues fixed :

CVE-2018-5388: Fixed a buffer underflow which may allow to a remote attacker with local user credentials to resource exhaustion and denial of service while reading from the socket (bsc#1094462).

CVE-2018-10811: Fixed a denial of service during the IKEv2 key derivation if the openssl plugin is used in FIPS mode and HMAC-MD5 is negotiated as PRF (bsc#1093536).

CVE-2018-16151,CVE-2018-16152: Fixed multiple flaws in the gmp plugin which might lead to authorization bypass (bsc#1107874).

CVE-2018-17540: Fixed an improper input validation in gmp plugin (bsc#1109845).

Other issues addressed: Fixed some client fails when the scep server URL is used with HTTPS protocol (bsc#1071853).

Reject Diffie-Hellman key exchanges using primes smaller than 1024 bit.

Handle unexpected informational message from SonicWall. (bsc#1009254)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

SUSE SLED12 / SLES12 Security Update : strongswan (SUSE-SU-2019:3266-1)

high Nessus Plugin ID 132009

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