Veracode Vulnerability DatabaseVERACODE:24766Man-in-the-Middle (MitM)
0.011 Low
EPSS
Percentile
84.3%
cyrus-imapd is vulnerable to man-in-the-middle (MitM). The vulnerability exists as it was discovered that cyrus-imapd did not flush the received commands buffer after switching to TLS encryption for IMAP, LMTP, NNTP, and POP3 sessions. A man-in-the-middle attacker could use this flaw to inject protocol commands into a victim’s TLS session initialization messages. This could lead to those commands being processed by cyrus-imapd, potentially allowing the attacker to steal the victim’s mail or authentication credentials.
References
bugzilla.cyrusimap.org/show_bug.cgi?id=3423
bugzilla.cyrusimap.org/show_bug.cgi?id=3424
git.cyrusimap.org/cyrus-imapd/patch/?id=523a91a5e86c8b9a27a138f04a3e3f2d8786f162
lists.fedoraproject.org/pipermail/package-announce/2011-June/061374.html
lists.fedoraproject.org/pipermail/package-announce/2011-June/061415.html
openwall.com/lists/oss-security/2011/05/17/15
openwall.com/lists/oss-security/2011/05/17/2
secunia.com/advisories/44670
secunia.com/advisories/44876
secunia.com/advisories/44913
secunia.com/advisories/44928
www.cyrusimap.org/docs/cyrus-imapd/2.4.7/changes.php
www.debian.org/security/2011/dsa-2242
www.debian.org/security/2011/dsa-2258
www.kb.cert.org/vuls/id/555316
www.mandriva.com/security/advisories?name=MDVSA-2011:100
www.redhat.com/support/errata/RHSA-2011-0859.html
www.securitytracker.com/id?1025625
access.redhat.com/errata/RHSA-2011:0859
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=705288
exchange.xforce.ibmcloud.com/vulnerabilities/67867
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