CVE-2019-9162 Memory corruption in n/a

What is CVE-2019-9162?

CVE-2019-9162 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 25 Feb 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2019-9162?

It affects 6 products.

Products include Canonical Ubuntu Linux, Linux kernel, Netapp Cn1610 Firmware, Netapp Hci Management Node, Netapp Snapprotect, Netapp Solidfire.

How do I fix CVE-2019-9162?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-9162 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-9162 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-9162, GHSA-rcwp-79mw-gmr5, UBUNTU-CVE-2019-9162.