CVE-2016-0787
Medium
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."
SeverityMedium
CVSS5.9
Exploit probability—
Product
Libssh2
PublishedApr 13, 2016
First seenApr 13, 2016
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libssh2 libssh2 | v ≤ 1.6.0 | — |
| fedoraproject fedora | 22, 23 | — |
| opensuse opensuse | 13.2 | — |
| debian debian_linux | 7.0, 8.0 | — |
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