CVE-2016-7097

LOW

Description

The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073931017b49d9458aa351605b43a7e34598caef

http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2

http://rhn.redhat.com/errata/RHSA-2017-0817.html

http://www.openwall.com/lists/oss-security/2016/08/26/3

http://www.securityfocus.com/bid/92659

http://www.securitytracker.com/id/1038201

http://www.spinics.net/lists/linux-fsdevel/msg98328.html

http://www.ubuntu.com/usn/USN-3146-1

http://www.ubuntu.com/usn/USN-3146-2

http://www.ubuntu.com/usn/USN-3147-1

https://access.redhat.com/errata/RHSA-2017:1842

https://access.redhat.com/errata/RHSA-2017:2077

https://access.redhat.com/errata/RHSA-2017:2669

https://bugzilla.redhat.com/show_bug.cgi?id=1368938

https://github.com/torvalds/linux/commit/073931017b49d9458aa351605b43a7e34598caef

https://source.android.com/security/bulletin/2017-04-01

Details

Source: MITRE

Published: 2016-10-16

Updated: 2018-01-05

Type: CWE-285

Risk Information

CVSS v2.0

Base Score: 3.6

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

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 4.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Impact Score: 2.5

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (38 total)

ID	Name	Product	Family	Severity
127425	NewStart CGSL MAIN 4.05 : kernel Multiple Vulnerabilities (NS-SA-2019-0152)	Nessus	NewStart CGSL Local Security Checks	high
125100	EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1494)	Nessus	Huawei Local Security Checks	high
124985	EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1532)	Nessus	Huawei Local Security Checks	high
105147	OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0173) (BlueBorne) (Stack Clash)	Nessus	OracleVM Local Security Checks	high
105144	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3657) (BlueBorne) (Stack Clash)	Nessus	Oracle Linux Local Security Checks	high
104108	F5 Networks BIG-IP : Linux kernel vulnerability (K31603170)	Nessus	F5 Networks Local Security Checks	low
103326	Ubuntu 14.04 LTS : linux vulnerabilities (USN-3422-1) (BlueBorne)	Nessus	Ubuntu Local Security Checks	high
103046	RHEL 6 : MRG (RHSA-2017:2669)	Nessus	Red Hat Local Security Checks	high
102734	CentOS 7 : kernel (CESA-2017:1842) (Stack Clash)	Nessus	CentOS Local Security Checks	high
102645	Scientific Linux Security Update : kernel on SL7.x x86_64	Nessus	Scientific Linux Local Security Checks	high
102511	Oracle Linux 7 : kernel (ELSA-2017-1842-1) (Stack Clash)	Nessus	Oracle Linux Local Security Checks	critical
102281	Oracle Linux 7 : kernel (ELSA-2017-1842) (Stack Clash)	Nessus	Oracle Linux Local Security Checks	high
102151	RHEL 7 : kernel-rt (RHSA-2017:2077)	Nessus	Red Hat Local Security Checks	high
102143	RHEL 7 : kernel (RHSA-2017:1842) (Stack Clash)	Nessus	Red Hat Local Security Checks	high
102065	OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0127)	Nessus	OracleVM Local Security Checks	low
102060	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3596)	Nessus	Oracle Linux Local Security Checks	low
99218	Scientific Linux Security Update : kernel on SL6.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	high
99162	OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0056)	Nessus	OracleVM Local Security Checks	high
99159	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3533)	Nessus	Oracle Linux Local Security Checks	high
99106	Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-025)	Nessus	Virtuozzo Local Security Checks	critical
99074	Oracle Linux 6 : kernel (ELSA-2017-0817)	Nessus	Oracle Linux Local Security Checks	high
97962	CentOS 6 : kernel (CESA-2017:0817)	Nessus	CentOS Local Security Checks	high
97886	RHEL 6 : kernel (RHSA-2017:0817)	Nessus	Red Hat Local Security Checks	high
97557	Amazon Linux AMI : kernel (ALAS-2017-805)	Nessus	Amazon Linux Local Security Checks	high
97297	SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0494-1)	Nessus	SuSE Local Security Checks	critical
97205	SUSE SLES12 Security Update : kernel (SUSE-SU-2017:0471-1)	Nessus	SuSE Local Security Checks	high
96903	SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0333-1)	Nessus	SuSE Local Security Checks	critical
96188	Debian DLA-772-1 : linux security update	Nessus	Debian Local Security Checks	critical
96000	Ubuntu 16.10 : linux-raspi2 vulnerabilities (USN-3162-2)	Nessus	Ubuntu Local Security Checks	critical
95998	Ubuntu 16.04 LTS : linux-snapdragon vulnerabilities (USN-3161-4)	Nessus	Ubuntu Local Security Checks	critical
95997	Ubuntu 16.04 LTS : linux-raspi2 vulnerabilities (USN-3161-3)	Nessus	Ubuntu Local Security Checks	critical
95702	openSUSE Security Update : the Linux Kernel (openSUSE-2016-1428)	Nessus	SuSE Local Security Checks	critical
95592	openSUSE Security Update : the Linux Kernel (openSUSE-2016-1410)	Nessus	SuSE Local Security Checks	high
95536	SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2976-1)	Nessus	SuSE Local Security Checks	critical
95434	Ubuntu 16.10 : linux vulnerabilities (USN-3147-1)	Nessus	Ubuntu Local Security Checks	high
95433	Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3146-2)	Nessus	Ubuntu Local Security Checks	high
95432	Ubuntu 16.04 LTS : linux vulnerabilities (USN-3146-1)	Nessus	Ubuntu Local Security Checks	high
95368	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:2912-1)	Nessus	SuSE Local Security Checks	high