vulnwire
4.8med

CVE-2016-5696

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier f…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
4.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
14.5%
percentile 97%
Public exploits
0
none known

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

Exploit prediction (EPSS)

14.51% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.8CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
NVD2.05.8AV:N/AC:M/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
Linux kernel (RSS, critical only)

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • github.com /Gnoxter/mountain_goat · x_refsource_MISC, x_transferred
  • ubuntu.com /usn/USN-3070-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1657.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bto.bluecoat.com /security-advisory/sa131 · x_refsource_CONFIRM, x_transferred
  • github.com /torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1814.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • kc.mcafee.com /corporate/index?page=content&id=SB10167 · x_refsource_CONFIRM, x_transferred
  • source.android.com /security/bulletin/2016-10-01.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/91704 · vdb-entry, x_refsource_BID, x_transferred
  • ubuntu.com /usn/USN-3070-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3070-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1815.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1939.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ubuntu.com /usn/USN-3071-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1632.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usenix.org /system/files/conference/usenixsecurity16/sec16_paper_cao.pdf · x_refsource_MISC, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3070-4 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securitytracker.com /id/1036625 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1631.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1354708 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3072-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1633.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1664.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ubuntu.com /usn/USN-3072-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • prnewswire.com /news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2016/07/12/2 · mailing-list, x_refsource_MLIST, x_transferred
  • ubuntu.com /usn/USN-3071-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • security.paloaltonetworks.com /CVE-2016-5696 · x_refsource_CONFIRM, x_transferred
  • arista.com /en/support/advisories-notices/security-advisories/1461-security-advisory-23 · x_refsource_MISC, x_transferred

Sources

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