National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7482 Detail

Current Description

In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score: 7.1 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://seclists.org/oss-sec/2017/q2/602 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/99299 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038787 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:0641 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0 Patch Vendor Advisory
https://www.debian.org/security/2017/dsa-3927 Third Party Advisory
https://www.debian.org/security/2017/dsa-3945 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:linux:linux_kernel
     Show Matching CPE(s)
Up to (excluding)
4.12

Configuration 2 ( hide )
 cpe:/a:redhat:enterprise_mrg:2.0
     Show Matching CPE(s)
 cpe:/o:debian:debian_linux:8.0
     Show Matching CPE(s)
 cpe:/o:debian:debian_linux:9.0
     Show Matching CPE(s)


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7482
NVD Published Date:
07/30/2018
NVD Last Modified:
10/09/2019