Ubuntu.comUB:CVE-2016-0787CVE-2016-0787
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.005 Low
EPSS
Percentile
77.4%
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.”
Bugs
- <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815662>
- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-0787>
Notes
| Author | Note |
|---|---|
| seth-arnold | Debian noted there may be discussion of incomplete fix |
Related
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.005 Low
EPSS
Percentile
77.4%