CVE-2015-6565

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Summary

CVECVE-2015-6565
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-24 01:59:02 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionsshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openbsd Openssh 6.8 All All All
Application Openbsd Openssh 6.9 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
OpenSSH TTY Permissions Let Local Users Cause Denial of Service Conditions - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
OpenSSH: Multiple vulnerabilities (GLSA 201512-04) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
oss-security - Re: CVE request - OpenSSH 6.9 PAM privilege separation vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
OpenSSH 6.8 < 6.9 - 'PTY' Local Privilege Escalation - Linux local Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com
www.openssh.com/txt/release-7.0 af854a3a-2127-422b-91ae-364da2661108 www.openssh.com Vendor Advisory
oss-security - Re: OpenSSH: CVE-2015-6565 (pty issue in 6.8-6.9) can lead to local privesc on Linux af854a3a-2127-422b-91ae-364da2661108 openwall.com
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
OpenSSH CVE-2015-6565 Local Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 591280 Siemens SCALANCE X-200RNA Switch Devices Denial of Service (DoS) Multiple Vulnerabilities (ICSA-22-349-21, SSA-412672)
  • 690300 Free Berkeley Software Distribution (FreeBSD) Security Update for openssh (2920c449-4850-11e5-825f-c80aa9043978)
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