First published: Wed Sep 14 2011(Updated: )
The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Cyrus IMAP Server | =2.2.12 | |
Cyrus IMAP Server | =2.3.13 | |
Cyrus IMAP Server | =2.2.13p1 | |
Cyrus IMAP Server | =2.3.12 | |
Cyrus IMAP Server | =2.4.1 | |
Cyrus IMAP Server | =2.1.17 | |
Cyrus IMAP Server | =2.4.5 | |
Cyrus IMAP Server | =2.3.6 | |
Cyrus IMAP Server | =2.3.0 | |
Cyrus IMAP Server | =2.2.11 | |
Cyrus IMAP Server | =2.3.14 | |
Cyrus IMAP Server | =2.3.2 | |
Cyrus IMAP Server | =2.4.0 | |
Cyrus IMAP Server | =2.3.11 | |
Cyrus IMAP Server | =2.3.17 | |
Cyrus IMAP Server | <=2.4.10 | |
Cyrus IMAP Server | =2.3.8 | |
Cyrus IMAP Server | =2.4.8 | |
Cyrus IMAP Server | =2.3.5 | |
Cyrus IMAP Server | =2.4.7 | |
Cyrus IMAP Server | =2.2.9 | |
Cyrus IMAP Server | =2.4.6 | |
Cyrus IMAP Server | =2.4.3 | |
Cyrus IMAP Server | =2.4.4 | |
Cyrus IMAP Server | =2.3.9 | |
Cyrus IMAP Server | =2.3.10 | |
Cyrus IMAP Server | =2.2.13 | |
Cyrus IMAP Server | =2.1.16 | |
Cyrus IMAP Server | =2.3.7 | |
Cyrus IMAP Server | =2.2.8 | |
Cyrus IMAP Server | =2.3.16 | |
Cyrus IMAP Server | =2.0.17 | |
Cyrus IMAP Server | =2.3.1 | |
Cyrus IMAP Server | =2.4.2 | |
Cyrus IMAP Server | =2.3.4 | |
Cyrus IMAP Server | =2.2.10 | |
Cyrus IMAP Server | =2.1.18 | |
Cyrus IMAP Server | =2.3.3 | |
Cyrus IMAP Server | =2.3.15 | |
Cyrus IMAP Server | =2.4.9 |
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CVE-2011-3481 has a medium severity rating, as it allows for denial of service attacks due to null pointer dereference.
To fix CVE-2011-3481, upgrade your Cyrus IMAP Server to version 2.4.11 or later.
CVE-2011-3481 affects Cyrus IMAP Server versions prior to 2.4.11, including several 2.2.x, 2.3.x, and 2.4.x versions.
The potential impacts of CVE-2011-3481 include server crashes and denial of service, affecting the availability of email services.
Yes, CVE-2011-3481 can be exploited remotely by sending a specially crafted email with a malicious References header.