CVE-2015-6565

NameCVE-2015-6565
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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssh (PTS)jessie1:6.7p1-5+deb8u4fixed
jessie (security)1:6.7p1-5+deb8u8fixed
stretch1:7.4p1-10+deb9u7fixed
stretch (security)1:7.4p1-10+deb9u6fixed
buster1:7.9p1-10fixed
bullseye, sid1:8.0p1-6fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensshsource(unstable)(not affected)

Notes

- openssh <not-affected> (Vulnerable code introduce in V_6_8_P1)
https://anongit.mindrot.org/openssh.git/commit/?id=6f941396b6835ad18018845f515b0c4fe20be21a
Issue introduced with https://anongit.mindrot.org/openssh.git/commit/?id=a5883d4eccb94b16c355987f58f86a7dee17a0c2 (V_6_8_P1)
http://www.openwall.com/lists/oss-security/2015/08/12/1

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