CVE-2023-49567

Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)

Description

A vulnerability has been identified in the Bitdefender Total Security HTTPS scanning functionality where the product incorrectly checks the site's certificate, which allows an attacker to make MITM SSL connections to an arbitrary site. The product trusts certificates that are issued using the MD5 and SHA1 collision hash functions which allow attackers to create rogue certificates that appear legitimate.

Remediation

Solution:

  • An automatic update to product version 27.0.25.115 fixes the issue.

Category

8.6
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory bitdefender.com
Affected: Bitdefender Total Security
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/insecure-trust-of-certificates-using-collision-hash-functions-in-bitdefender-total-security-https-scanning-va-11239/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-49567?
CVE-2023-49567 has been scored as a high severity vulnerability.
How to fix CVE-2023-49567?
To fix CVE-2023-49567: An automatic update to product version 27.0.25.115 fixes the issue.
Is CVE-2023-49567 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-49567 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-49567?
CVE-2023-49567 affects Bitdefender Total Security.
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