Home/CVE/The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure
CVE

CVE-2016-10012

The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure

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.

HIGH · CVSS 7.8 EPSS 0.00022
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
openbsd openssh<= 7.3
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jan 2017 · 02:59 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

10
suse-csafopenSUSE-SU-2024:11124-1
siemens-csafSSA-412672
suse-csafSUSE-SU-2018:3540-1
suse-csafSUSE-SU-2018:2719-1
suse-csafSUSE-SU-2018:2685-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/12/19/2Mailing ListRelease Notes
http://www.securityfocus.com/bid/94975
http://www.securitytracker.com/id/1037490
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://github.com/openbsd/src/commit/3095060f479b86288e31c79ecbc5131a66bcd2f9PatchVendor Advisory
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