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."
Advisories
Source ID Title
Debian DLA Debian DLA DLA-425-1 libssh security update
Debian DSA Debian DSA DSA-3488-1 libssh security update
EUVD EUVD EUVD-2016-0763 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."
Ubuntu USN Ubuntu USN USN-2912-1 libssh vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T22:30:04.158Z

Reserved: 2015-12-16T00:00:00

Link: CVE-2016-0739

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-04-13T17:59:08.413

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-0739

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-02-23T00:00:00Z

Links: CVE-2016-0739 - Bugzilla

cve-icon OpenCVE Enrichment

No data.