CVE-2016-10012

Impact:
Low
Public Date:
2016-12-19
IAVA:
2017-A-0081
CWE:
CWE-287
Bugzilla:
1406293: CVE-2016-10012 openssh: Bounds check can be evaded in the shared memory manager used by pre-authentication compression support
It was found that the boundary checks in the code implementing support for pre-authentication compression could have been optimized out by certain compilers. An attacker able to compromise the privilege-separated process could possibly use this flaw for further attacks against the privileged monitor process.

Find out more about CVE-2016-10012 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

In order to exploit this flaw, the attacker needs to first compromise the sandboxed privilege-separation process by using another security flaw. Because of this restriction for successful exploitation, this issue has been rated as having Low security impact. A future update to Red Hat Enterprise Linux 7 will address this flaw.

Red Hat Enterprise Linux 4:
This vulnerability has been rated as having a security impact of Low. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

Red Hat Enterprise Linux 5:
This vulnerability has been rated as having a security impact of Low. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

Red Hat Enterprise Linux 6:
This vulnerability has been rated as having a security impact of Low. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

CVSS v2 metrics

Base Score 3.6
Base Metrics AV:N/AC:H/Au:S/C:P/I:P/A:N
Access Vector Network
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

CVSS v3 metrics

CVSS3 Base Score 4.2
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (openssh) RHSA-2017:2029 2017-08-01

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 openssh Will not fix
Red Hat Enterprise Linux 5 openssh Will not fix
Red Hat Enterprise Linux 4 openssh Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

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