Vulnerability Details CVE-2016-3707
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 82.2%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
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
- 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
Products affected by CVE-2016-3707
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cpe:2.3:o:linux:linux_kernel-rt:3.10.0
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cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12.0
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cpe:2.3:o:redhat:enterprise_linux_for_real_time:7
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cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:7