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."
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html ↗
- https://kc.mcafee.com/corporate/index?page=content&id=SB10156 ↗
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html ↗
- https://www.libssh2.org/CVE-2016-0787.patch ↗
- https://www.libssh2.org/adv_20160223.html ↗
- https://puppet.com/security/cve/CVE-2016-0787 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.html ↗
- https://security.gentoo.org/glsa/201606-12 ↗
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00008.html ↗
- https://bto.bluecoat.com/security-advisory/sa120 ↗
- http://www.debian.org/security/2016/dsa-3487 ↗
- http://www.securityfocus.com/bid/82514 ↗