CVE-2015-6565
First published: Mon Aug 24 2015(Updated: )
sshd 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSH | =6.8 | |
| OpenSSH | =6.9 |
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Reference Links
- http://openwall.com/lists/oss-security/2017/01/26/2
- http://www.openssh.com/txt/release-7.0
- http://www.openwall.com/lists/oss-security/2015/08/22/1
- http://www.securityfocus.com/bid/76497
- http://www.securitytracker.com/id/1033917
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- https://security.gentoo.org/glsa/201512-04
- https://www.exploit-db.com/exploits/41173/
Frequently Asked Questions
What is the severity of CVE-2015-6565?
CVE-2015-6565 is considered a moderate severity vulnerability as it allows local users to disrupt terminal operations.
How do I fix CVE-2015-6565?
To fix CVE-2015-6565, update to OpenSSH version 7.0 or later where this vulnerability has been addressed.
Who is affected by CVE-2015-6565?
CVE-2015-6565 affects users running OpenSSH versions 6.8 and 6.9.
What type of attack can CVE-2015-6565 facilitate?
CVE-2015-6565 can facilitate denial of service attacks by allowing local users to write to TTY devices.
Is CVE-2015-6565 exploited remotely?
No, CVE-2015-6565 requires local access to the system to exploit the vulnerability.
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