CVE-2015-6565
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 2.67% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- openbsd/openssh
- Source
- cve@mitre.org
References
- http://openwall.com/lists/oss-security/2017/01/26/2
- http://www.openssh.com/txt/release-7.0Vendor Advisory
- 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-7.0Vendor Advisory
- 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/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.