CVE-2016-10012 | BDVDB-2026-80055 Detail
Description#
The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References#
- https://security.netapp.com/advisory/ntap-20171130-0002/
- http://www.openwall.com/lists/oss-security/2016/12/19/2
- http://www.securitytracker.com/id/1037490
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- https://access.redhat.com/errata/RHSA-2017:2029
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- https://www.openssh.com/txt/release-7.4
- http://www.securityfocus.com/bid/94975
- https://github.com/openbsd/src/commit/3095060f479b86288e31c79ecbc5131a66bcd2f9
- https://support.f5.com/csp/article/K62201745?utm_source=f5support&%3Butm_medium=RSS
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.