High severity · published Jun 27, 2016
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…
8.1
CVSS
3.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux For Real Time · Redhat
7 · source: NVD
EL
Enterprise Linux For Real Time For Nfv · Redhat
7 · source: NVD
LK
Linux Kernel-rt · Linux
through 3.10.0 · source: NVD
SL
Suse Linux Enterprise Real Time Extension · Novell
12.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3707
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/05/17/1
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1301
Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1341