CVE-2015-3146

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Summary

CVECVE-2015-3146
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-13 17:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe (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.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-Other | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 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 21 All All All
Operating System Fedoraproject Fedora 22 All All All
Application Libssh Libssh All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 21 Update: libssh-0.6.5-1.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Debian -- Security Information -- DSA-3488-1 libssh af854a3a-2127-422b-91ae-364da2661108 www.debian.org
projects/libssh.git - libssh shared repository af854a3a-2127-422b-91ae-364da2661108 git.libssh.org
[SECURITY] Fedora 22 Update: libssh-0.7.1-1.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
USN-2912-1: libssh vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
www.libssh.org/security/advisories/CVE-2015-3146.txt af854a3a-2127-422b-91ae-364da2661108 www.libssh.org Vendor Advisory
libssh 0.6.5 (Security and bugfix release) | libssh af854a3a-2127-422b-91ae-364da2661108 www.libssh.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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