Mailman: Cross-site scripting vulnerability

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-mail/mailman	< 2.1.5-r3	>= 2.1.5-r3	All supported architectures

Related bugreports: #77524

Mailman is vulnerable to cross-site scripting attacks.

2. Impact Information

Mailman is a Python-based mailing list server with an extensive web interface.

Florian Weimer has discovered a cross-site scripting vulnerability in the error messages that are produced by Mailman.

By enticing a user to visiting a specially-crafted URL, an attacker can execute arbitrary script code running in the context of the victim's browser.

3. Resolution Information

There is no known workaround at this time.

All Mailman users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/mailman-2.1.5-r3"

4. References

Page updated January 22, 2005

Summary: This is a Gentoo Linux Security Advisory

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