CVE-2024-23305 Memory corruption in libbiosig

What is CVE-2024-23305?

CVE-2024-23305 is a critical memory corruption vulnerability in Fedoraproject Fedora, published on 20 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An out-of-bounds write vulnerability exists in the BrainVisionMarker Parsing functionality of The Biosig Project libbiosig 2.5.0 and Master Branch (ab0ee111). A specially crafted .vmrk file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2024-23305?

It affects 2 products.

Products include Fedoraproject Fedora, Libbiosig Project Libbiosig.

How do I fix CVE-2024-23305?

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-2024-23305 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-23305 exists.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• 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-2024-23305, GHSA-94q6-333x-cv3g, UBUNTU-CVE-2024-23305.