CVE-2015-3146
Libssh SSH Denial of Service
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.
INFO
Published Date :
April 13, 2016, 5:59 p.m.
Last Modified :
Nov. 21, 2024, 2:28 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2015-3146 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2015-3146
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2015-3146.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Publicly disclosed vulnerabilities I discovered in open source software
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-3146 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-3146 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html Added Reference http://www.debian.org/security/2016/dsa-3488 Added Reference http://www.ubuntu.com/usn/USN-2912-1 Added Reference https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5&id=94f6955fbaee6fda9385a23e505497efe21f5b4f Added Reference https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/ Added Reference https://www.libssh.org/security/advisories/CVE-2015-3146.txt -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 20, 2016
Action Type Old Value New Value Added Evaluator Description <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a> Added CPE Configuration Configuration 1 OR *cpe:2.3:a:libssh:libssh:0.6.4:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://www.libssh.org/security/advisories/CVE-2015-3146.txt No Types Assigned https://www.libssh.org/security/advisories/CVE-2015-3146.txt Advisory Changed Reference Type https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/ No Types Assigned https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/ Advisory Added CWE NVD-CWE-Other -
Initial Analysis by [email protected]
Apr. 18, 2016
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 18, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-3146 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2015-3146
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
5.77 }} -0.91%
score
0.93270
percentile