CVE-2016-0787
Published on: 04/13/2016 12:00:00 AM UTC
Last Modified on: 03/23/2021 11:27:12 PM UTC
Certain versions of Debian Linux from Debian contain the following vulnerability:
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."
- CVE-2016-0787 has been assigned by
[email protected] to track the vulnerability - currently rated as MEDIUM severity.
CVSS3 Score: 5.9 - MEDIUM
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
|
---|---|---|---|---|
NETWORK | HIGH | NONE | NONE | |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
|
UNCHANGED | HIGH | NONE | NONE |
CVSS2 Score: 4.3 - MEDIUM
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
NETWORK | MEDIUM | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
PARTIAL | NONE | NONE |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
libssh2 Security Advisory: Truncated Difffie-Hellman secret length | Vendor Advisory www.libssh2.org text/html |
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Broadcom Support Portal | bto.bluecoat.com text/html |
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CVE-2016-0787 - libssh2 Vulnerability | Puppet | puppet.com text/html |
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Debian -- Security Information -- DSA-3487-1 libssh2 | www.debian.org Depreciated Link text/html |
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Patch www.libssh2.org text/x-diff |
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RETIRED: libssh2 'src/kex.c' Security Bypass Vulnerability | cve.report (archive) text/html |
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[SECURITY] Fedora 22 Update: libssh2-1.5.0-2.fc22 | lists.fedoraproject.org text/html |
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libssh and libssh2: Multiple vulnerabilities (GLSA 201606-12) — Gentoo security | Third Party Advisory security.gentoo.org text/html |
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[SECURITY] Fedora 23 Update: libssh2-1.6.0-4.fc23 | lists.fedoraproject.org text/html |
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Oracle Linux Bulletin - January 2016 | www.oracle.com text/html |
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openSUSE-SU-2016:0639-1: moderate: Security update for libssh2_org | lists.opensuse.org text/html |
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McAfee Security Bulletin: McAfee Web Gateway update fixes multiple vulnerabilities | kc.mcafee.com text/html |
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There are currently no QIDs associated with this CVE
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Operating System | Debian | Debian Linux | 7.0 | All | All | All |
Operating System | Debian | Debian Linux | 8.0 | All | All | All |
Operating System | Debian | Debian Linux | 7.0 | All | All | All |
Operating System | Debian | Debian Linux | 8.0 | All | All | All |
Operating System | Fedoraproject | Fedora | 22 | All | All | All |
Operating System | Fedoraproject | Fedora | 23 | All | All | All |
Operating System | Fedoraproject | Fedora | 22 | All | All | All |
Operating System | Fedoraproject | Fedora | 23 | All | All | All |
Application | Libssh2 | Libssh2 | All | All | All | All |
Operating System | Opensuse | Opensuse | 13.2 | All | All | All |
Operating System | Opensuse | Opensuse | 13.2 | All | All | All |
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*:
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*:
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*:
- cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*:
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*:
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE