CVE-2015-3146: canonical ubuntu_linux
CVSS: 7.5v3.0HighModified
AliasesMGASA-2015-0209SUSE-SU-2015:1707-1SUSE-SU-2015:1707-2UBUNTU-CVE-2015-3146DEBIAN-CVE-2015-3146
Published 13-04-2016Last modified 06-08-2024
Vulnerability summary
CVE-2015-3146 is a high (CVSS 7.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.96% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.96%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 13-04-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.96%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.05 pp
From 3.91% on 18-09-2026
18-09-202618-10-2026
EPSS score3.96%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Suse3 products
- libssh&distro=SUSE Linux Enterprise Desktop 12< 0.6.3-8.1
- libssh&distro=SUSE Linux Enterprise Software Development Kit 12< 0.6.3-8.1
- libssh&distro=SUSE Linux Enterprise Workstation Extension 12< 0.6.3-8.1
Debian2 products
- libssh< 0.6.3-4.2
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10
Fedoraproject1 product
- fedoraEOL21 | 22
Libssh1 product
- libssh≤ 0.6.4
Mageia1 product
- libssh< 0.5.5-2.3.mga4
Ubuntu1 product
- libssh< 0.6.1-0ubuntu3.3
7 vendors · 10 products
References
17 links- lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.htmlVendor AdvisoryX Refsource FEDORA
- www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/X Refsource CONFIRMVendor AdvisoryWEBREPORT
- git.libssh.org/projects/…X Refsource CONFIRM
Show all 17 references
- bugzilla.suse.com/928323REPORT