National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-9162 Detail

Current Description

In the Linux kernel before 4.20.12, net/ipv4/netfilter/nf_nat_snmp_basic_main.c in the SNMP NAT module has insufficient ASN.1 length checks (aka an array index error), making out-of-bounds read and write operations possible, leading to an OOPS or local privilege escalation. This affects snmp_version and snmp_helper.

Source:  MITRE
Description Last Modified:  02/25/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc Mailing List Patch Vendor Advisory
http://www.securityfocus.com/bid/107159 Third Party Advisory VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1776 Exploit Issue Tracking Mailing List Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.25 Mailing List Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.12 Mailing List Vendor Advisory
https://github.com/torvalds/linux/commit/c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20190327-0002/ Third Party Advisory
https://usn.ubuntu.com/3930-1/
https://usn.ubuntu.com/3930-2/
https://www.exploit-db.com/exploits/46477/ Exploit Patch Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Improper Validation of Array Index (CWE-129)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.19
Up to (excluding)
4.19.25
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.20
Up to (excluding)
4.20.12

Configuration 2 ( hide )
 cpe:2.3:a:netapp:element_software_management:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-9162
NVD Published Date:
02/25/2019
NVD Last Modified:
04/02/2019