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CVE-2019-9162

7.8 · HIGH

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…

Published Feb 25, 2019CWE-787EPSS 1.09%

Overview

CVE-2019-9162 is a high-severity vulnerability. It was published on February 25, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4c07b4d6fa1f11880eab8e076d3d060ef3f55fcRefwww.securityfocus.com/bid/107159Refbugs.chromium.org/p/project-zero/issues/detail?id=1776Refcdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.25Refcdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.12GitHubgithub.com/torvalds/linux/commit/c4c07b4d6fa1f11880eab8e076d3d060ef3f55fcRefsecurity.netapp.com/advisory/ntap-20190327-0002/Refsupport.f5.com/csp/article/K31864522Refusn.ubuntu.com/3930-1/Refusn.ubuntu.com/3930-2/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-9162?

CVE-2019-9162 is a high-severity vulnerability. It was published on February 25, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2019-9162?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-9162?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-9162?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-9162 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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