CVE-2016-3707

MEDIUM

Description

The icmp_check_sysrq function in net/ipv4/icmp.c in the kernel.org projects/rt patches for the Linux kernel, as used in the kernel-rt package before 3.10.0-327.22.1 in Red Hat Enterprise Linux for Real Time 7 and other products, allows remote attackers to execute SysRq commands via crafted ICMP Echo Request packets, as demonstrated by a brute-force attack to discover a cookie, or an attack that occurs after reading the local icmp_echo_sysrq file.

References

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html

http://www.openwall.com/lists/oss-security/2016/05/17/1

https://access.redhat.com/errata/RHSA-2016:1301

https://access.redhat.com/errata/RHSA-2016:1341

https://bugzilla.redhat.com/show_bug.cgi?id=1327484

Details

Source: MITRE

Published: 2016-06-27

Updated: 2016-11-28

Type: CWE-284

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.1

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

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH