CVE-2019-19648 Out-of-bounds read in YARA

What is CVE-2019-19648?

CVE-2019-19648 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 9 Dec 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 the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.

Weakness: CWE-125

Which versions are affected by CVE-2019-19648?

It affects 2 products.

Products include Fedoraproject Fedora, Virustotal Yara.

How do I fix CVE-2019-19648?

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-2019-19648 being exploited?

There is no known exploitation of CVE-2019-19648 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-19648, GHSA-7fcj-v5v7-gm5g, UBUNTU-CVE-2019-19648.