CVE-2011-3372
First published: Fri Sep 23 2011(Updated: )
imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/cyrus-imapd | <2.4.12 | 2.4.12 |
| Cyrus SASL | <=2.4.11 |
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Reference Links
- http://git.cyrusimap.org/cyrus-imapd/commit/?id=77903669e04c9788460561dd0560b9c916519594
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:149
- http://cyrusimap.org/mediawiki/index.php/Latest_Updates
- http://www.redhat.com/support/errata/RHSA-2011-1508.html
- http://securitytracker.com/id?1026363
- http://secunia.com/secunia_research/2011-68
- http://www.debian.org/security/2011/dsa-2318
- http://secunia.com/advisories/46093
- https://bugzilla.redhat.com/show_bug.cgi?id=740822
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524614&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524614&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524615&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524615&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524616&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=524616&action=edit
- https://access.redhat.com/security/cve/CVE-2011-3372
- http://secunia.com/advisories/46093/
- http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=202
- http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=203
- https://rhn.redhat.com/errata/RHSA-2011-1508.html
Frequently Asked Questions
What is the severity of CVE-2011-3372?
CVE-2011-3372 is classified as a medium severity vulnerability due to the risk of unauthorized access.
How do I fix CVE-2011-3372?
To mitigate CVE-2011-3372, upgrade to Cyrus IMAPd version 2.4.12 or later.
What types of attacks can exploit CVE-2011-3372?
CVE-2011-3372 can be exploited by remote attackers to bypass authentication on vulnerable NNTP servers.
Which versions of Cyrus IMAPd are affected by CVE-2011-3372?
CVE-2011-3372 affects Cyrus IMAPd versions prior to 2.4.12, specifically 2.4.11 and earlier.
Is there a workaround for CVE-2011-3372?
There is no known workaround for CVE-2011-3372 other than upgrading to a fixed version.
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