CVE-2024-3203: c-blosc2 Heap Overflow — Exploit

Description

A vulnerability, which was classified as critical, was found in c-blosc2 up to 2.13.2. Affected is the function ndlz8_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz8x8.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. VDB-259050 is the identifier assigned to this vulnerability.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
blosc	c-blosc2	< 2.13.2

References

Exploits

https://vuldb.com/?submit.304556 https://vuldb.com/?submit.304556

Other References

https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharing https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3 https://vuldb.com/?ctiid.259050 https://vuldb.com/?id.259050 https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharing https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3 https://vuldb.com/?ctiid.259050 https://vuldb.com/?id.259050

Frequently Asked Questions

What is CVE-2024-3203? +

A vulnerability, which was classified as critical, was found in c-blosc2 up to 2.13.2. Affected is the function ndlz8_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz8x8.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. VDB-259050 is the identifier assigned to this vulnerability. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-3203? +

CVE-2024-3203 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-3203? +

CVE-2024-3203 affects products from blosc, specifically: c-blosc2. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3203? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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