Vulnerability in OpenBSD OpenSSH
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.054 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.054 · newest: 0.054 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-2710-2 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- security.netapp.com/advisory/ntap-20181023-0001/
- security.gentoo.org/glsa/201512-04 (vendor-advisory)
- anongit.mindrot.org/openssh.git/commit/
- openwall.com/lists/oss-security/2015/07/01/10 (mailing-list)
- rhn.redhat.com/errata/RHSA-2016-0741.html (vendor-advisory)
- www.securityfocus.com/bid/75525 (vdb-entry)
- www.securitytracker.com/id/1032797 (vdb-entry)
- www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
Frequently asked questions
- What is CVE-2015-5352?
- CVE-2015-5352 is a vulnerability in OpenBSD OpenSSH, classified under CWE-264. Published 2015-08-03.
- Is CVE-2015-5352 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.