CVE-2024-39420: acrobat (CVSS 7)

Description

Acrobat Reader versions 20.005.30636, 24.002.21005, 24.001.30159, 20.005.30655, 24.002.20965, 24.002.20964, 24.001.30123, 24.003.20054 and earlier are affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability that could lead to arbitrary code execution. This vulnerability arises when the timing of actions changes the state of a resource between the checking of a condition and the use of the resource, allowing an attacker to manipulate the resource in a harmful way. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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CVSS v3.1 Score

7.0

HIGH

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

Weakness Type (CWE)

CWE-367 CWE-367

Affected Products

Vendor	Product	Versions
adobe	acrobat	20.001.30005 — 20.005.30655
adobe	acrobat	24.001.20604 — 24.001.30159
adobe	acrobat_dc	15.008.20082 — 24.002.21005
adobe	acrobat_reader	20.001.3005 — 20.005.30655
adobe	acrobat_reader_dc	15.008.20082 — 24.002.21005
apple	macos	All
microsoft	windows	All

References

Other References

https://helpx.adobe.com/security/products/acrobat/apsb24-70.html https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2011

Frequently Asked Questions

What is CVE-2024-39420? +

Acrobat Reader versions 20.005.30636, 24.002.21005, 24.001.30159, 20.005.30655, 24.002.20965, 24.002.20964, 24.001.30123, 24.003.20054 and earlier are affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability that could lead to arbitrary code execution. This vulnerability arises when the timing of actions changes the state of a resource between the checking of a condition and the use of the resource, allowing an attacker to manipulate the resource in a harmful way. Exploitation of this issue requires user interaction in that a victim must open a malicious file. It has a CVSS v3.1 base score of 7.0 (HIGH).

How severe is CVE-2024-39420? +

CVE-2024-39420 has a CVSS v3.1 score of 7.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-39420? +

CVE-2024-39420 affects products from adobe, apple, microsoft, specifically: acrobat, acrobat_dc, acrobat_reader, acrobat_reader_dc, macos, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-39420? +

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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