National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4997 Detail

Current Description

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a13c Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00061.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00048.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
http://rhn.redhat.com/errata/RHSA-2016-1847.html
http://rhn.redhat.com/errata/RHSA-2016-1875.html
http://rhn.redhat.com/errata/RHSA-2016-1883.html
http://www.debian.org/security/2016/dsa-3607
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
http://www.openwall.com/lists/oss-security/2016/06/24/5
http://www.openwall.com/lists/oss-security/2016/09/29/10 Exploit Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
http://www.securityfocus.com/bid/91451
http://www.securitytracker.com/id/1036171
http://www.ubuntu.com/usn/USN-3016-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-4 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3018-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3019-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3020-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1349722 Issue Tracking
https://github.com/nccgroup/TriforceLinuxSyscallFuzzer/tree/master/crash_reports/report_compatIpt Exploit Third Party Advisory
https://github.com/torvalds/linux/commit/ce683e5f9d045e5d67d1312a42b359cb2ab2a13c Patch
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541
https://www.exploit-db.com/exploits/40435/
https://www.exploit-db.com/exploits/40489/

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Controls (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.6.2

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_live_patching:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_module_for_public_cloud:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12.0:sp1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:oracle:linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

16 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4997
NVD Published Date:
07/03/2016
NVD Last Modified:
01/04/2018