CVE-2015-6565 EXPLOIT
7.2
HIGH · CVSS 2.0 · EPSS 2.7% (pctl 85)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 7.2 (HIGH, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 2.67% — more likely to be exploited than 85% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2015-08-24 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| openbsd | openssh |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenSSH 6.8 < 6.9 - 'PTY' Local Privilege Escalation | 2017-01-26 |
References
- 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/
- 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
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