PublicDateAtUSN: 2017-01-04
Candidate: CVE-2016-10011
PublicDate: 2017-01-05 02:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10011
 https://www.openssh.com/txt/release-7.4
 http://www.openwall.com/lists/oss-security/2016/12/19/2
 https://ubuntu.com/security/notices/USN-3538-1
Description:
 authfile.c in sshd in OpenSSH before 7.4 does not properly consider the
 effects of realloc on buffer contents, which might allow local users to
 obtain sensitive private-key information by leveraging access to a
 privilege-separated child process.
Ubuntu-Description:
Notes:
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=848716
Priority: low
Discovered-by: Jann Horn
Assigned-to: mdeslaur
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N [5.5 MEDIUM]

Patches_openssh:
 upstream: https://github.com/openssh/openssh-portable/commit/54d022026aae4f53fa74cc636e4a032d9689b64d
 upstream: https://github.com/openssh/openssh-portable/commit/a9c746088787549bb5b1ae3add7d06a1b6d93d5e (prereq)
upstream_openssh: released (1:7.4p1-1)
precise_openssh: ignored (reached end-of-life)
precise/esm_openssh: ignored (end of ESM support, was needs-triage)
trusty_openssh: released (1:6.6p1-2ubuntu2.10)
trusty/esm_openssh: released (1:6.6p1-2ubuntu2.10)
vivid/stable-phone-overlay_openssh: ignored (reached end-of-life)
vivid/ubuntu-core_openssh: ignored (reached end-of-life)
xenial_openssh: released (1:7.2p2-4ubuntu2.4)
esm-infra/xenial_openssh: released (1:7.2p2-4ubuntu2.4)
yakkety_openssh: ignored (reached end-of-life)
zesty_openssh: not-affected (1:7.4p1-1)
artful_openssh: not-affected (1:7.4p1-1)
bionic_openssh: not-affected (1:7.4p1-1)
cosmic_openssh: not-affected (1:7.4p1-1)
disco_openssh: not-affected (1:7.4p1-1)
eoan_openssh: not-affected (1:7.4p1-1)
focal_openssh: not-affected (1:7.4p1-1)
groovy_openssh: not-affected (1:7.4p1-1)
hirsute_openssh: not-affected (1:7.4p1-1)
devel_openssh: not-affected (1:7.4p1-1)