CVE-2019-9162 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc http://www.securityfocus.com/bid/107159 https://bugs.chromium.org/p/project-zero/issues/detail?id=1776 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.25 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.12 https://github.com/torvalds/linux/commit/c4c07b4d6fa1f11880eab8e076d3d060ef3f55fc https://security.netapp.com/advisory/ntap-20190327-0002/ https://support.f5.com/csp/article/K31864522 https://usn.ubuntu.com/3930-1/ https://usn.ubuntu.com/3930-2/ https://www.exploit-db.com/exploits/46477/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8