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."

Project Subscriptions

Vendors Products
Canonical Subscribe
Ubuntu Linux Subscribe
Debian Linux Subscribe
Fedoraproject Subscribe
Enterprise Linux Subscribe
Rhel Extras Other Subscribe
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.

Projects

Sign in to view the affected projects.

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.

Weaknesses