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

https://support.f5.com/csp/article/K31603170?utm_source=f5support&utm_medium=RSS

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

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 4.8.2 (inclusive)

Tenable Plugins

View all (38 total)

IDNameProductFamilySeverity
127425NewStart CGSL MAIN 4.05 : kernel Multiple Vulnerabilities (NS-SA-2019-0152)NessusNewStart CGSL Local Security Checks
high
125100EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1494)NessusHuawei Local Security Checks
high
124985EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1532)NessusHuawei Local Security Checks
high
105147OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0173) (BlueBorne) (Stack Clash)NessusOracleVM Local Security Checks
high
105144Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3657) (BlueBorne) (Stack Clash)NessusOracle Linux Local Security Checks
high
104108F5 Networks BIG-IP : Linux kernel vulnerability (K31603170)NessusF5 Networks Local Security Checks
low
103326Ubuntu 14.04 LTS : linux vulnerabilities (USN-3422-1) (BlueBorne)NessusUbuntu Local Security Checks
high
103046RHEL 6 : MRG (RHSA-2017:2669)NessusRed Hat Local Security Checks
high
102734CentOS 7 : kernel (CESA-2017:1842) (Stack Clash)NessusCentOS Local Security Checks
high
102645Scientific Linux Security Update : kernel on SL7.x x86_64 (20170801)NessusScientific Linux Local Security Checks
high
102511Oracle Linux 7 : kernel (ELSA-2017-1842-1) (Stack Clash)NessusOracle Linux Local Security Checks
critical
102281Oracle Linux 7 : kernel (ELSA-2017-1842) (Stack Clash)NessusOracle Linux Local Security Checks
high
102151RHEL 7 : kernel-rt (RHSA-2017:2077)NessusRed Hat Local Security Checks
high
102143RHEL 7 : kernel (RHSA-2017:1842) (Stack Clash)NessusRed Hat Local Security Checks
high
102065OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0127)NessusOracleVM Local Security Checks
low
102060Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3596)NessusOracle Linux Local Security Checks
low
99218Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20170321)NessusScientific Linux Local Security Checks
high
99162OracleVM 3.4 : Unbreakable / etc (OVMSA-2017-0056)NessusOracleVM Local Security Checks
high
99159Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3533)NessusOracle Linux Local Security Checks
high
99106Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-025)NessusVirtuozzo Local Security Checks
critical
99074Oracle Linux 6 : kernel (ELSA-2017-0817)NessusOracle Linux Local Security Checks
high
97962CentOS 6 : kernel (CESA-2017:0817)NessusCentOS Local Security Checks
high
97886RHEL 6 : kernel (RHSA-2017:0817)NessusRed Hat Local Security Checks
high
97557Amazon Linux AMI : kernel (ALAS-2017-805)NessusAmazon Linux Local Security Checks
high
97297SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0494-1)NessusSuSE Local Security Checks
critical
97205SUSE SLES12 Security Update : kernel (SUSE-SU-2017:0471-1)NessusSuSE Local Security Checks
high
96903SUSE SLES11 Security Update : kernel (SUSE-SU-2017:0333-1)NessusSuSE Local Security Checks
critical
96188Debian DLA-772-1 : linux security updateNessusDebian Local Security Checks
critical
96000Ubuntu 16.10 : linux-raspi2 vulnerabilities (USN-3162-2)NessusUbuntu Local Security Checks
critical
95998Ubuntu 16.04 LTS : linux-snapdragon vulnerabilities (USN-3161-4)NessusUbuntu Local Security Checks
critical
95997Ubuntu 16.04 LTS : linux-raspi2 vulnerabilities (USN-3161-3)NessusUbuntu Local Security Checks
critical
95702openSUSE Security Update : the Linux Kernel (openSUSE-2016-1428)NessusSuSE Local Security Checks
critical
95592openSUSE Security Update : the Linux Kernel (openSUSE-2016-1410)NessusSuSE Local Security Checks
high
95536SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2976-1)NessusSuSE Local Security Checks
critical
95434Ubuntu 16.10 : linux vulnerabilities (USN-3147-1)NessusUbuntu Local Security Checks
high
95433Ubuntu 14.04 LTS : linux-lts-xenial vulnerabilities (USN-3146-2)NessusUbuntu Local Security Checks
high
95432Ubuntu 16.04 LTS : linux vulnerabilities (USN-3146-1)NessusUbuntu Local Security Checks
high
95368SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2016:2912-1)NessusSuSE Local Security Checks
high