CVE-2017-16939

Current Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Basic Data

PublishedNovember 24, 2017
Last ModifiedOctober 03, 2019
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-416
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score7.2
SeverityHIGH
Exploitability Score3.9
Impact Score10.0
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3 - Attack VectorLOCAL
CVSS 3 - Attack ComplexityLOW
CVSS 3 - Privileges RequiredLOW
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeUNCHANGED
CVSS 3 - Confidentiality ImpactHIGH
CVSS 3 - Integrity ImpactHIGH
CVSS 3 - Availability ImpactHIGH
CVSS 3 - Base Score7.8
CVSS 3 - Base SeverityHIGH
Exploitability Score1.8
Base SeverityHIGH

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSLinuxLinux Kernel********4.13.11

Vulnerable Software List

VendorProductVersions
Linux Linux Kernel *

References

NameSourceURLTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288MISCPatch Technical Description
SUSE-SU-2018:0011http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlSUSE
http://seclists.org/fulldisclosure/2017/Nov/40http://seclists.org/fulldisclosure/2017/Nov/40MISCMailing List Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11MISCPatch Vendor Advisory
101954http://www.securityfocus.com/bid/101954BIDThird Party Advisory VDB Entry
RHSA-2018:1318https://access.redhat.com/errata/RHSA-2018:1318REDHAT
RHSA-2018:1355https://access.redhat.com/errata/RHSA-2018:1355REDHAT
RHSA-2019:1170https://access.redhat.com/errata/RHSA-2019:1170REDHAT
RHSA-2019:1190https://access.redhat.com/errata/RHSA-2019:1190REDHAT
https://blogs.securiteam.com/index.php/archives/3535https://blogs.securiteam.com/index.php/archives/3535MISCExploit Patch Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1069702https://bugzilla.suse.com/show_bug.cgi?id=1069702MISCIssue Tracking
https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2MISCPatch Third Party Advisory
[debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMLIST
DSA-4082https://www.debian.org/security/2018/dsa-4082DEBIAN