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[email protected]NVD:CVE-2018-13405

HistoryJul 06, 2018 - 2:29 p.m.

CVE-2018-13405

2018-07-0614:29:01

CWE-269

[email protected]

web.nvd.nist.gov

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

0.4%

JSON

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.

Affected configurations

NVD

Node

linuxlinux_kernelRange≤3.16

Node

debiandebian_linuxMatch8.0

debiandebian_linuxMatch9.0

Node

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch16.04esm

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch18.04lts

Node

fedoraprojectfedoraMatch34

fedoraprojectfedoraMatch35

Node

redhatmrg_realtimeMatch2.0

redhatvirtualizationMatch4.0

redhatenterprise_linux_ausMatch7.4

redhatenterprise_linux_desktopMatch6.0

redhatenterprise_linux_desktopMatch7.0

redhatenterprise_linux_eusMatch7.4

redhatenterprise_linux_eusMatch7.5

redhatenterprise_linux_for_real_timeMatch7

redhatenterprise_linux_serverMatch6.0

redhatenterprise_linux_serverMatch7.0

redhatenterprise_linux_server_ausMatch6.6

redhatenterprise_linux_server_ausMatch7.2

redhatenterprise_linux_server_ausMatch7.3

redhatenterprise_linux_server_tusMatch7.2

redhatenterprise_linux_server_tusMatch7.3

redhatenterprise_linux_server_tusMatch7.4

redhatenterprise_linux_workstationMatch6.0

redhatenterprise_linux_workstationMatch7.0

Node

f5big-ip_access_policy_managerRange13.0.0–13.1.3.5

f5big-ip_access_policy_managerRange14.0.0–14.1.3.1

f5big-ip_access_policy_managerRange15.0.0–15.0.1.4

f5big-ip_access_policy_managerMatch15.1.0

f5big-ip_access_policy_managerMatch16.0.0

f5big-ip_advanced_firewall_managerRange13.0.0–13.1.3.5

f5big-ip_advanced_firewall_managerRange14.0.0–14.1.3.1

f5big-ip_advanced_firewall_managerRange15.0.0–15.0.1.4

f5big-ip_advanced_firewall_managerMatch15.1.0

f5big-ip_advanced_firewall_managerMatch16.0.0

f5big-ip_analyticsRange13.0.0–13.1.3.5

f5big-ip_analyticsRange14.0.0–14.1.3.1

f5big-ip_analyticsRange15.0.0–15.0.1.4

f5big-ip_analyticsMatch15.1.0

f5big-ip_analyticsMatch16.0.0

f5big-ip_application_acceleration_managerRange13.0.0–13.1.3.5

f5big-ip_application_acceleration_managerRange14.0.0–14.1.3.1

f5big-ip_application_acceleration_managerRange15.0.0–15.0.1.4

f5big-ip_application_acceleration_managerMatch15.1.0

f5big-ip_application_acceleration_managerMatch16.0.0

f5big-ip_application_security_managerRange13.0.0–13.1.3.5

f5big-ip_application_security_managerRange14.0.0–14.1.3.1

f5big-ip_application_security_managerRange15.0.0–15.0.1.4

f5big-ip_application_security_managerMatch15.1.0

f5big-ip_application_security_managerMatch16.0.0

f5big-ip_domain_name_systemRange13.0.0–13.1.3.5

f5big-ip_domain_name_systemRange14.0.0–14.1.3.1

f5big-ip_domain_name_systemRange15.0.0–15.0.1.4

f5big-ip_domain_name_systemMatch15.1.0

f5big-ip_domain_name_systemMatch16.0.0

f5big-ip_edge_gatewayRange13.0.0–13.1.3.5

f5big-ip_edge_gatewayRange14.0.0–14.1.3.1

f5big-ip_edge_gatewayRange15.0.0–15.0.1.4

f5big-ip_edge_gatewayMatch15.1.0

f5big-ip_edge_gatewayMatch16.0.0

f5big-ip_fraud_protection_serviceRange13.0.0–13.1.3.5

f5big-ip_fraud_protection_serviceRange14.0.0–14.1.3.1

f5big-ip_fraud_protection_serviceRange15.0.0–15.0.1.4

f5big-ip_fraud_protection_serviceMatch15.1.0

f5big-ip_fraud_protection_serviceMatch16.0.0

f5big-ip_global_traffic_managerRange13.0.0–13.1.3.5

f5big-ip_global_traffic_managerRange14.0.0–14.1.3.1

f5big-ip_global_traffic_managerRange15.0.0–15.0.1.4

f5big-ip_global_traffic_managerMatch15.1.0

f5big-ip_global_traffic_managerMatch16.0.0

f5big-ip_link_controllerRange13.0.0–13.1.3.5

f5big-ip_link_controllerRange14.0.0–14.1.3.1

f5big-ip_link_controllerRange15.0.0–15.0.1.4

f5big-ip_link_controllerMatch15.1.0

f5big-ip_link_controllerMatch16.0.0

f5big-ip_local_traffic_managerRange13.0.0–13.1.3.5

f5big-ip_local_traffic_managerRange14.0.0–14.1.3.1

f5big-ip_local_traffic_managerRange15.0.0–15.0.1.4

f5big-ip_local_traffic_managerMatch15.1.0

f5big-ip_local_traffic_managerMatch16.0.0

f5big-ip_policy_enforcement_managerRange13.0.0–13.1.3.5

f5big-ip_policy_enforcement_managerRange14.0.0–14.1.3.1

f5big-ip_policy_enforcement_managerRange15.0.0–15.0.1.4

f5big-ip_policy_enforcement_managerMatch15.1.0

f5big-ip_policy_enforcement_managerMatch16.0.0

f5big-ip_webacceleratorRange13.0.0–13.1.3.5

f5big-ip_webacceleratorRange14.0.0–14.1.3.1

f5big-ip_webacceleratorRange15.0.0–15.0.1.4

f5big-ip_webacceleratorMatch15.1.0

f5big-ip_webacceleratorMatch16.0.0

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7

openwall.com/lists/oss-security/2018/07/13/2

www.securityfocus.com/bid/106503

access.redhat.com/errata/RHSA-2018:2948

access.redhat.com/errata/RHSA-2018:3083

access.redhat.com/errata/RHSA-2018:3096

access.redhat.com/errata/RHSA-2019:0717

access.redhat.com/errata/RHSA-2019:2476

access.redhat.com/errata/RHSA-2019:2566

access.redhat.com/errata/RHSA-2019:2696

access.redhat.com/errata/RHSA-2019:2730

access.redhat.com/errata/RHSA-2019:4159

access.redhat.com/errata/RHSA-2019:4164

git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=0b3369840cd61c23e2b9241093737b4c395cb406

github.com/torvalds/linux/commit/0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7

lists.debian.org/debian-lts-announce/2018/08/msg00014.html

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HRBNBX73SAFKQWBOX76SLMWPTKJPVGEJ/

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKKIAUMR5FAYLZ7HLEPOXMKAAE3BYBQ/

support.f5.com/csp/article/K00854051

twitter.com/grsecurity/status/1015082951204327425

usn.ubuntu.com/3752-1/

usn.ubuntu.com/3752-2/

usn.ubuntu.com/3752-3/

usn.ubuntu.com/3753-1/

usn.ubuntu.com/3753-2/

usn.ubuntu.com/3754-1/

www.debian.org/security/2018/dsa-4266

www.exploit-db.com/exploits/45033/

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

0.4%

JSON

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