CVE-2024-29371: jose4j — Exploit

Description

In jose4j before 0.9.6, an attacker can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-1259 CWE-1259

Affected Products

Vendor	Product	Versions
jose4j_project	jose4j	< 0.9.5

References

Exploits

https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attack https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attack

Frequently Asked Questions

What is CVE-2024-29371? +

In jose4j before 0.9.6, an attacker can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-29371? +

CVE-2024-29371 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-29371? +

CVE-2024-29371 affects products from jose4j_project, specifically: jose4j. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-29371? +

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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