vulnwire
7.8high

CVE-2016-49973 exploits

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
5.7%
percentile 93%
Public exploits
3
Metasploit · Exploit-DB

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.

Exploit prediction (EPSS)

5.68% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

Exploits and detections

  • Metasploit exploit/linux/local/netfilter_priv_esc_ipv4 Linux Kernel 4.6.3 Netfilter Privilege Escalation · metasploit exploit, good rank · 2016-06-03
  • EDB-40489 Linux Kernel 4.6.2 (Ubuntu 16.04.1) - 'IP6T_SO_SET_REPLACE' Local Privilege Escalation · local · 2016-10-10
  • EDB-40435 Linux Kernel 4.6.3 (x86) - 'Netfilter' Local Privilege Escalation (Metasploit) · local · 2016-09-27

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds
Linux kernel (RSS, critical only)

References

  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00053.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00060.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3017-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinoct2016-3090545.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00007.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3017-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1847.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1349722 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00055.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3018-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00048.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3017-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1875.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ubuntu.com /usn/USN-3019-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00027.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • debian.org /security/2016/dsa-3607 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • ubuntu.com /usn/USN-3016-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3016-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • openwall.com /lists/oss-security/2016/06/24/5 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00054.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00051.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • exploit-db.com /exploits/40435/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • github.com /torvalds/linux/commit/ce683e5f9d045e5d67d1312a42b359cb2ab2a13c · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3018-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securitytracker.com /id/1036171 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • exploit-db.com /exploits/40489/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • h20566.www2.hpe.com /portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/ovmbulletinoct2016-3090547.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00050.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1883.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00052.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00044.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3016-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00061.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • openwall.com /lists/oss-security/2016/09/29/10 · mailing-list, x_refsource_MLIST, x_transferred
  • ubuntu.com /usn/USN-3016-4 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/91451 · vdb-entry, x_refsource_BID, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.6.3 · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00000.html · Third Party Advisory
  • ubuntu.com /usn/USN-3020-1 · Third Party Advisory
  • github.com /nccgroup/TriforceLinuxSyscallFuzzer/tree/master/crash_reports/report_compatIpt · Exploit, Third Party Advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.