CVE-2018-1000671 Scanner

Sympa is an open-source mailing list management software that is used by organizations to manage newsletters, forums, and discussion lists. It is widely used by institutions and enterprises to communicate with customers and members. Sympa provides advanced features like moderation, subscription management, message archiving, and customization. With its robust features, users can easily manage large amounts of emails and subscribers.

CVE-2018-1000671 is a significant vulnerability detected in Sympa software. It is a CWE-601: URL Redirection to Untrusted Site ('Open Redirect') vulnerability, which can enable attackers to redirect users to a malicious website or another untrusted site. The vulnerability exists in the "referer" parameter of the wwsympa.fcgi login action. This bug can be exploited by attackers to perform Open redirection and reflected XSS via data URIs.

If an attacker successfully exploits this vulnerability, they can redirect users to a malicious website, resulting in a variety of consequences, including the theft of sensitive information, banking information, or login credentials. Through the reflected XSS attack, it is possible to leak sensitive information, such as cookies, history, and personal data.

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REFERENCES

• https://github.com/sympa-community/sympa/issues/268 
• lists.debian.org: [debian-lts-announce] 20180921 [SECURITY] [DLA 1512-1] sympa security update 
• usn.ubuntu.com: USN-4442-1 
• lists.debian.org: [debian-lts-announce] 20201109 [SECURITY] [DLA 2441-1] sympa security update