CVE-2023-5841: openexr Heap Overflow — Exploit

Description

Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2.2 and v3.1.12 of the affected library.

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CVSS v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
openexr	openexr	< 3.2.1

References

Exploits

https://takeonme.org/cves/CVE-2023-5841.html https://takeonme.org/cves/CVE-2023-5841.html

Other References

https://lists.fedoraproject.org/archives/list/[email protected]/message/LSB6DB5LAKGPLRXEF5HDNGUMT7GIFT2C/ https://lists.fedoraproject.org/archives/list/[email protected]/message/XWMINVKQLSUHECXBSQMZFCSDRIHFOJJI/ http://seclists.org/fulldisclosure/2024/Sep/32 http://seclists.org/fulldisclosure/2024/Sep/34 http://seclists.org/fulldisclosure/2024/Sep/36 https://lists.fedoraproject.org/archives/list/[email protected]/message/LSB6DB5LAKGPLRXEF5HDNGUMT7GIFT2C/ https://lists.fedoraproject.org/archives/list/[email protected]/message/XWMINVKQLSUHECXBSQMZFCSDRIHFOJJI/

Frequently Asked Questions

What is CVE-2023-5841? +

Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2.2 and v3.1.12 of the affected library. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2023-5841? +

CVE-2023-5841 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-5841? +

CVE-2023-5841 affects products from openexr, specifically: openexr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-5841? +

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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