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CVE-2018-13405 Details

Description

The inode_init_owner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7	CVE	PatchVendor Advisory
http://openwall.com/lists/oss-security/2018/07/13/2	CVE	Mailing ListPatchThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:2948	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0717	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2476	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2566	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2696	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2730	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4159	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4164	CVE	Third Party Advisory
https://github.com/torvalds/linux/commit/0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7	CVE	PatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=0b3369840cd61c23e2b9241093737b4c395cb406	CVE	Mailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html	CVE	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRBNBX73SAFKQWBOX76SLMWPTKJPVGEJ/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKKIAUMR5FAYLZ7HLEPOXMKAAE3BYBQ/	CVE
https://support.f5.com/csp/article/K00854051	CVE	Third Party Advisory
https://twitter.com/grsecurity/status/1015082951204327425	CVE	Third Party Advisory
https://usn.ubuntu.com/3752-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/3752-2/	CVE	Third Party Advisory
https://usn.ubuntu.com/3752-3/	CVE	Third Party Advisory
https://usn.ubuntu.com/3753-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/3753-2/	CVE	Third Party Advisory
https://usn.ubuntu.com/3754-1/	CVE	Third Party Advisory
https://www.debian.org/security/2018/dsa-4266	CVE	Third Party Advisory
https://www.exploit-db.com/exploits/45033/	CVE	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/106503	CVE	Broken Link
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7	[email protected]	PatchVendor Advisory
http://openwall.com/lists/oss-security/2018/07/13/2	[email protected]	Mailing ListPatchThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:2948	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0717	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2476	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2566	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2696	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2730	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4159	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4164	[email protected]	Third Party Advisory
https://github.com/torvalds/linux/commit/0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7	[email protected]	PatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=0b3369840cd61c23e2b9241093737b4c395cb406	[email protected]	Mailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00014.html	[email protected]	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRBNBX73SAFKQWBOX76SLMWPTKJPVGEJ/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKKIAUMR5FAYLZ7HLEPOXMKAAE3BYBQ/	[email protected]
https://support.f5.com/csp/article/K00854051	[email protected]	Third Party Advisory
https://twitter.com/grsecurity/status/1015082951204327425	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3752-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3752-2/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3752-3/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3753-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3753-2/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3754-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2018/dsa-4266	[email protected]	Third Party Advisory
https://www.exploit-db.com/exploits/45033/	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/106503	[email protected]	Broken Link

see all 56 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-269	Improper Privilege Management	[email protected]

Affected Products

Product	Versions
linux linux kernel	<= 3.16
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
debian debian linux	8.0 9.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
fedoraproject fedora	34 35
CPE cpe:2.3:o:fedoraproject:fedora:34:::::::* cpe:2.3:o:fedoraproject:fedora:35:::::::* Remediation No remediation found in references.
redhat mrg realtime	2.0
CPE cpe:2.3:a:redhat:mrg_realtime:2.0:::::::* Remediation No remediation found in references.
redhat virtualization	4.0
CPE cpe:2.3:a:redhat:virtualization:4.0:::::::* Remediation No remediation found in references.
redhat enterprise linux aus	7.4
CPE cpe:2.3:o:redhat:enterprise_linux_aus:7.4:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux eus	7.4 7.5
CPE cpe:2.3:o:redhat:enterprise_linux_eus:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:7.5:::::::* Remediation No remediation found in references.
redhat enterprise linux for real time	7
CPE cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:::::::* Remediation No remediation found in references.
redhat enterprise linux server	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	6.6 7.2 7.3
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:::::::* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:::::::* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::* Remediation No remediation found in references.
redhat enterprise linux server tus	7.2 7.3 7.4
CPE cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:::::::* cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:::::::* cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.
f5 big-ip access policy manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_access_policy_manager:::::::: cpe:2.3:a:f5:big-ip_access_policy_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_access_policy_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip advanced firewall manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_advanced_firewall_manager:::::::: cpe:2.3:a:f5:big-ip_advanced_firewall_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_advanced_firewall_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip analytics	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_analytics:::::::: cpe:2.3:a:f5:big-ip_analytics:15.1.0:::::::* cpe:2.3:a:f5:big-ip_analytics:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip application acceleration manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_application_acceleration_manager:::::::: cpe:2.3:a:f5:big-ip_application_acceleration_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_application_acceleration_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip application security manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_application_security_manager:::::::: cpe:2.3:a:f5:big-ip_application_security_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_application_security_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip domain name system	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_domain_name_system:::::::: cpe:2.3:a:f5:big-ip_domain_name_system:15.1.0:::::::* cpe:2.3:a:f5:big-ip_domain_name_system:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip edge gateway	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_edge_gateway:::::::: cpe:2.3:a:f5:big-ip_edge_gateway:15.1.0:::::::* cpe:2.3:a:f5:big-ip_edge_gateway:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip fraud protection service	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_fraud_protection_service:::::::: cpe:2.3:a:f5:big-ip_fraud_protection_service:15.1.0:::::::* cpe:2.3:a:f5:big-ip_fraud_protection_service:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip global traffic manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_global_traffic_manager:::::::: cpe:2.3:a:f5:big-ip_global_traffic_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_global_traffic_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip link controller	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_link_controller:::::::: cpe:2.3:a:f5:big-ip_link_controller:15.1.0:::::::* cpe:2.3:a:f5:big-ip_link_controller:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip local traffic manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_local_traffic_manager:::::::: cpe:2.3:a:f5:big-ip_local_traffic_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_local_traffic_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip policy enforcement manager	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_policy_enforcement_manager:::::::: cpe:2.3:a:f5:big-ip_policy_enforcement_manager:15.1.0:::::::* cpe:2.3:a:f5:big-ip_policy_enforcement_manager:16.0.0:::::::* Remediation No remediation found in references.
f5 big-ip webaccelerator	>= 13.0.0, < 13.1.3.5 >= 14.0.0, < 14.1.3.1 >= 15.0.0, < 15.0.1.4 15.1.0 16.0.0
CPE cpe:2.3:a:f5:big-ip_webaccelerator:::::::: cpe:2.3:a:f5:big-ip_webaccelerator:15.1.0:::::::* cpe:2.3:a:f5:big-ip_webaccelerator:16.0.0:::::::* Remediation No remediation found in references.

Change History

25 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Apr 6, 2022	Modified Analysis	[email protected]
Feb 25, 2022	CVE Modified	[email protected]
Feb 15, 2022	CVE Modified	[email protected]
Jan 5, 2021	CVE Modified	[email protected]
Dec 10, 2019	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Sep 11, 2019	CVE Modified	[email protected]
Sep 10, 2019	CVE Modified	[email protected]
Aug 27, 2019	CVE Modified	[email protected]
Aug 13, 2019	CVE Modified	[email protected]
May 9, 2019	CVE Modified	[email protected]
Apr 9, 2019	CVE Modified	[email protected]
Jan 10, 2019	CVE Modified	[email protected]
Oct 31, 2018	CVE Modified	[email protected]
Aug 29, 2018	CVE Modified	[email protected]
Aug 28, 2018	Initial Analysis	[email protected]
Aug 24, 2018	CVE Modified	[email protected]
Aug 16, 2018	CVE Modified	[email protected]
Aug 8, 2018	CVE Modified	[email protected]
Jul 28, 2018	CVE Modified	[email protected]
Jul 17, 2018	CVE Modified	[email protected]

CVE-2018-13405 Details

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