TEHTRI-Security reported: [1] http://conference.hitb.org/hitbsecconf2010dxb/materials/D1%20-%20Laurent%20Oudot%20-%20Improving%20the%20Stealthiness%20of%20Web%20Hacking.pdf#page=69 a deficiency in the way SquirrelMail's Mail Fetch plugin retrieved user's electronic mail from POP3 servers using non-standard port numbers. An authenticated, remote user could use this flaw to conduct port-scan attacks, potentially leading to disclosure of the network typography (DNS scan) and information about available services (port scan), when this information was intended to be protected by firewall. Issue severity note: -------------------- This flaw to be successfully exploited requires: a, the SquirrelMail Mail Fetch plug-in to be prior activated by site administrator, b, attacker to have valid SquirrelMail service account. Upstream patch: [2] http://squirrelmail.svn.sourceforge.net/squirrelmail/?rev=13951&view=rev References: [3] http://www.squirrelmail.org/security/issue/2010-06-21 [4] http://www.openwall.com/lists/oss-security/2010/05/20/4 [5] http://www.openwall.com/lists/oss-security/2010/05/25/9
This issue affects the versions of the squirrelmail package, as shipped with Red Hat Enterprise Linux 3, 4, and 5. This issue affects the versions of the squirrelmail package, as shipped with Fedora release of 11, 12, and 13.
Created squirrelmail tracking bugs for this issue Affects: fedora-all [bug 606462]
Statement: The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
squirrelmail-1.4.20-2.fc11 has been submitted as an update for Fedora 11. http://admin.fedoraproject.org/updates/squirrelmail-1.4.20-2.fc11
squirrelmail-1.4.20-3.fc12 has been submitted as an update for Fedora 12. http://admin.fedoraproject.org/updates/squirrelmail-1.4.20-3.fc12
squirrelmail-1.4.20-3.fc13 has been submitted as an update for Fedora 13. http://admin.fedoraproject.org/updates/squirrelmail-1.4.20-3.fc13
squirrelmail-1.4.20-3.fc12 has been pushed to the Fedora 12 stable repository. If problems still persist, please make note of it in this bug report.
squirrelmail-1.4.20-3.fc13 has been pushed to the Fedora 13 stable repository. If problems still persist, please make note of it in this bug report.
squirrelmail-1.4.20-2.fc11 has been pushed to the Fedora 11 stable repository. If problems still persist, please make note of it in this bug report.
Description CVE-2010-1637: A flaw was found in the SquirrelMail Mail Fetch plug-in. If an administrator enabled this plug-in, a SquirrelMail user could use this flaw to port scan the local network the server was on.
This issue has been addressed in following products: Red Hat Enterprise Linux 4 Red Hat Enterprise Linux 5 Via RHSA-2012:0103 https://rhn.redhat.com/errata/RHSA-2012-0103.html