CVE-2024-34447 (CVSS 7.5)

Description

An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.

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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:H/I:N/A:N

Weakness Type (CWE)

CWE-297 CWE-297

References

Other References

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9034447 https://security.netapp.com/advisory/ntap-20240614-0007/ https://www.bouncycastle.org/latest_releases.html https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9034447 https://security.netapp.com/advisory/ntap-20240614-0007/ https://www.bouncycastle.org/latest_releases.html

Frequently Asked Questions

What is CVE-2024-34447? +

An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-34447? +

CVE-2024-34447 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.

How do I check if I'm vulnerable to CVE-2024-34447? +

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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