oss-security - CVE-2024-40761: Apache Answer: Avatar URL leaked user email addresses

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Message-ID: <16a2094c-dfa6-a448-b9c7-76ba2dc86f66@apache.org>
Date: Wed, 25 Sep 2024 06:28:16 +0000
From: Enxin Xie <linkinstar@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2024-40761: Apache Answer: Avatar URL leaked user email
 addresses 

Severity: low

Affected versions:

- Apache Answer through 1.3.5

Description:

Inadequate Encryption Strength vulnerability in Apache Answer.

This issue affects Apache Answer: through 1.3.5.

Using the MD5 value of a user's email to access Gravatar is insecure and can lead to the leakage of user email. The official recommendation is to use SHA256 instead.
Users are recommended to upgrade to version 1.4.0, which fixes the issue.

Credit:

张岳熙 (reporter)

References:

https://answer.incubator.apache.org
https://www.cve.org/CVERecord?id=CVE-2024-40761

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