vulnerability
FreeBSD: libssh -- weak Diffie-Hellman secret generation (CVE-2016-0739)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Feb 23, 2016 | Mar 7, 2016 | Oct 30, 2017 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Feb 23, 2016
Added
Mar 7, 2016
Modified
Oct 30, 2017
Description
libssh before 0.7.3 improperly truncates ephemeral secrets generated for the (1) diffie-hellman-group1 and (2) diffie-hellman-group14 key exchange methods to 128 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
freebsd-upgrade-package-libssh
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