CVE-2015-6565
HIGH severity · CVSS 7.2 · CWE-264
7.2CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)3%
AV:L/AC:L/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.openssh.com/txt/release-7.0Advisory
- http://openwall.com/lists/oss-security/2017/01/26/2
- 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