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VULNERABILITIES

CVE-2016-0787 Details

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."

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html CVE
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.html CVE
http://lists.opensuse.org/opensuse-updates/2016-03/msg00008.html CVE
https://bto.bluecoat.com/security-advisory/sa120 CVE
https://kc.mcafee.com/corporate/index?page=content&id=SB10156 CVE

see all 24 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-200Exposure of Sensitive Information to an Unauthorized Actor[email protected]

Affected Products

ProductVersions
fedoraproject fedora
22
23

CPE

  • cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse opensuse
13.2

CPE

  • cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
libssh2 libssh2
<= 1.6.0

CPE

  • cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
7.0
8.0

CPE

  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-0787
NVD Published Date:
Apr 13, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-0787 Details - Not Deferred