CVE-2016-0787: debian debian_linux
CVSS: 5.9v3.0MediumModified
AliasesALPINE-CVE-2016-0787MGASA-2016-0392SUSE-SU-2016:0718-1SUSE-SU-2016:0723-1RHSA-2016:0428UBUNTU-CVE-2016-0787DEBIAN-CVE-2016-0787DLA-426-1DSA-3487-1
Published 13-04-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-0787 is a medium (CVSS 5.9) vulnerability in debian debian_linux. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
2.59%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 13-04-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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."
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.59%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.59% on 19-09-2026
19-09-202619-10-2026
EPSS score2.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse12 products
- libssh2_org&distro=SUSE Linux Enterprise Desktop 11 SP4< 1.2.9-4.2.6.1
- libssh2_org&distro=SUSE Linux Enterprise Desktop 12< 1.4.3-16.1
- libssh2_org&distro=SUSE Linux Enterprise Desktop 12 SP1< 1.4.3-16.1
- libssh2_org&distro=SUSE Linux Enterprise Server 11 SP4< 1.2.9-4.2.6.1
- libssh2_org&distro=SUSE Linux Enterprise Server 12< 1.4.3-16.1
Redhat4 products
- libssh2< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
- libssh2-debuginfo< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
- libssh2-devel< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
- libssh2-docs< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
Debian2 products
- libssh2< 1.5.0-2.1 | < 1.2.6-1+deb6u2 | < 1.4.2-1.1+deb7u2 | < 1.4.3-4.1+deb8u1
- debian_linuxEOL7.0 | 8.0
Alpine1 product
- libssh2< 1.7.0-r0
Fedoraproject1 product
- fedoraEOL22 | 23
Libssh21 product
- libssh2≤ 1.6.0
Mageia1 product
- libssh2< 1.4.3-6.1.mga5
Opensuse1 product
- opensuseEOL13.2
Ubuntu1 product
- libssh2< 1.4.3-2ubuntu0.1 | < 1.5.0-2ubuntu0.1
9 vendors · 24 products
References
32 links- lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.htmlVendor AdvisoryX Refsource FEDORA
- kc.mcafee.com/corporate/index?page=content&id=SB10156X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRM
- puppet.com/security/cve/CVE-2016-0787X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.htmlVendor AdvisoryX Refsource FEDORA
- bto.bluecoat.com/security-advisory/sa120X Refsource CONFIRM
Show all 32 references
- bugzilla.suse.com/933336REPORT
- bugzilla.suse.com/961964REPORT
- bugzilla.suse.com/967026REPORT