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Oracle Linux: (CVE-2016-0787) (Multiple Advisories): libssh2 security update

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Oracle Linux: (CVE-2016-0787) (Multiple Advisories): libssh2 security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
04/13/2016
Created
07/25/2018
Added
04/13/2016
Modified
01/22/2020

Description

The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."

Solution(s)

  • oracle-linux-upgrade-libssh2
  • oracle-linux-upgrade-libssh2-devel
  • oracle-linux-upgrade-libssh2-docs

References

  • ELSA-2019-1652
  • DLA-426-1
  • DSA-3487
  • 82514
  • GLSA-201606-12
  • CVE-2016-0787

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