Vulnerability Details : CVE-2015-5352
The x11_open_helper function in channels.c in ssh in OpenSSH before 6.9, when ForwardX11Trusted mode is not used, lacks a check of the refusal deadline for X connections, which makes it easier for remote attackers to bypass intended access restrictions via a connection outside of the permitted time window.
Threat overview for CVE-2015-5352
Top countries where our scanners detected CVE-2015-5352
Top open port discovered on systems with this issue
22
IPs affected by CVE-2015-5352 2,160,277
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2015-5352!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2015-5352
Probability of exploitation activity in the next 30 days: 1.24%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-5352
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2015-5352
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-5352
-
http://www.securitytracker.com/id/1032797
OpenSSH Bug Lets Remote Authenticated Users Bypass XSECURITY Timeout Security Restrictions - SecurityTracker
-
http://rhn.redhat.com/errata/RHSA-2016-0741.html
RHSA-2016:0741 - Security Advisory - Red Hat Customer Portal
-
http://www.ubuntu.com/usn/USN-2710-1
USN-2710-1: OpenSSH vulnerabilities | Ubuntu security notices
-
http://openwall.com/lists/oss-security/2015/07/01/10
oss-security - Re: CVE Request: two security issues in openSSH 6.9
-
https://security.gentoo.org/glsa/201512-04
OpenSSH: Multiple vulnerabilities (GLSA 201512-04) — Gentoo security
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Oracle Linux Bulletin - April 2016
-
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
Oracle Solaris Bulletin - January 2016
-
https://security.netapp.com/advisory/ntap-20181023-0001/
CVE-2015-5352 OpenSSH Vulnerability in NetApp Products | NetApp Product Security
-
http://www.securityfocus.com/bid/75525
OpenSSH 'x11_open_helper()' Function Security Bypass Vulnerability
-
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.html
[security-announce] SUSE-SU-2015:1581-1: important: Security update for
-
https://anongit.mindrot.org/openssh.git/commit/?h=V_6_9&id=1bf477d3cdf1a864646d59820878783d42357a1d
openssh.git - Portable OpenSSH
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
-
http://www.openssh.com/txt/release-6.9
Vendor Advisory
-
http://www.ubuntu.com/usn/USN-2710-2
USN-2710-2: OpenSSH regression | Ubuntu security notices
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
[SECURITY] [DLA 1500-1] openssh security update
Products affected by CVE-2015-5352
- cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*