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SUSE: CVE-2018-16152: SUSE Linux Security Advisory

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SUSE: CVE-2018-16152: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
09/24/2018
Created
12/05/2019
Added
12/03/2019
Modified
02/19/2022

Description

In verify_emsa_pkcs1_signature() in gmp_rsa_public_key.c in the gmp plugin in strongSwan 4.x and 5.x before 5.7.0, the RSA implementation based on GMP does not reject excess data in the digestAlgorithm.parameters field during PKCS#1 v1.5 signature verification. Consequently, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation when only an RSA signature is used for IKEv2 authentication. This is a variant of CVE-2006-4790 and CVE-2014-1568.

Solution(s)

  • suse-upgrade-strongswan
  • suse-upgrade-strongswan-doc
  • suse-upgrade-strongswan-hmac
  • suse-upgrade-strongswan-ipsec
  • suse-upgrade-strongswan-libs0
  • suse-upgrade-strongswan-mysql
  • suse-upgrade-strongswan-nm
  • suse-upgrade-strongswan-sqlite

References

  • SUSE-SU-2019:3056-1
  • SUSE-SU-2019:3266-1
  • SUSE-SU-2022:14887-1
  • USN-3771-1
  • DSA-4305
  • CVE-2018-16152

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