CVE-2017-1000253

Linux distributions that have not patched their long-term kernels with https://git.kernel.org/linus/a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (backported to Linux 3.10.77 in May 2015), but it was not recognized as a security threat. With CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE enabled, and a normal top-down address allocation strategy, load_elf_binary() will attempt to map a PIE binary into an address range immediately below mm->mmap_base. Unfortunately, load_elf_ binary() does not take account of the need to allocate sufficient space for the entire binary which means that, while the first PT_LOAD segment is mapped below mm->mmap_base, the subsequent PT_LOAD segment(s) end up being mapped above mm->mmap_base into the are that is supposed to be the "gap" between the stack and the binary.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.qualys.com/2017/09/26/cve-2017-1000253/cve-2017-1000253.txt	Patch Third Party Advisory
http://www.securitytracker.com/id/1039434	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101010	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2802	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2801	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2800	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2799	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2798	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2797	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2796	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2795	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2794	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2793	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.3:::::::*
	cpe:2.3:o:centos:centos:6.0:::::::*
	cpe:2.3:o:centos:centos:6.1:::::::*
	cpe:2.3:o:centos:centos:6.2:::::::*
	cpe:2.3:o:centos:centos:6.3:::::::*
	cpe:2.3:o:centos:centos:6.4:::::::*
	cpe:2.3:o:centos:centos:6.5:::::::*
	cpe:2.3:o:centos:centos:6.6:::::::*
	cpe:2.3:o:centos:centos:6.7:::::::*
	cpe:2.3:o:centos:centos:6.8:::::::*
	cpe:2.3:o:centos:centos:6.9:::::::*
	cpe:2.3:o:centos:centos:7.1611:::::::*
	cpe:2.3:o:centos:centos:7.1511:::::::*
	cpe:2.3:o:centos:centos:7.1503:::::::*
	cpe:2.3:o:centos:centos:7.1406:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.8:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.9:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Information

Published : 2017-10-04 18:29

Updated : 2023-01-17 13:04

NVD link : CVE-2017-1000253

Mitre link : CVE-2017-1000253

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Products Affected

linux

linux_kernel

centos

centos

redhat

enterprise_linux

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7.8 /10