CVE-2019-9209 Memory corruption in n/a

What is CVE-2019-9209?

CVE-2019-9209 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 28 Feb 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In Wireshark 2.4.0 to 2.4.12 and 2.6.0 to 2.6.6, the ASN.1 BER and related dissectors could crash. This was addressed in epan/dissectors/packet-ber.c by preventing a buffer overflow associated with excessive digits in time values.

Weakness: CWE-787, CWE-193

Which versions are affected by CVE-2019-9209?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Wireshark Wireshark.

How do I fix CVE-2019-9209?

Upgrade to a fixed version.

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

Is CVE-2019-9209 being exploited?

There is no known exploitation of CVE-2019-9209 in the wild and no public exploit code.

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-2019-9209, GHSA-2cjg-pfcc-g8hr, UBUNTU-CVE-2019-9209.