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Sicherheit: Mangelnde Eingabeprüfung in cyrus-imapd-2.2
Aktuelle Meldungen Distributionen
Name: Mangelnde Eingabeprüfung in cyrus-imapd-2.2
ID: DSA-2242-1
Distribution: Debian
Plattformen: Debian lenny, Debian sid, Debian squeeze
Datum: Mi, 25. Mai 2011, 22:36
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1926
Applikationen: cyrus-imapd-2.2

Originalnachricht

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Debian Security Advisory DSA-2242-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
May 25, 2011 http://www.debian.org/security/faq
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Package : cyrus-imapd-2.2
Vulnerability : implementation error
Problem type : remote
Debian-specific: no
CVE ID : CVE-2011-1926
Debian Bug : 627081

It was discovered that the STARTTLS implementation of the Cyrus IMAP
server does not properly restrict I/O buffering, which allows
man-in-the-middle attackers to insert commands into encrypted IMAP,
LMTP, NNTP and POP3 sessions by sending a cleartext command that is
processed after TLS is in place.

For the oldstable distribution (lenny), this problem has been fixed in
version 2.2.13-14+lenny4.

For the stable distribution (squeeze), this problem has been fixed in
version 2.2.13-19+squeeze1.

For the unstable distribution (sid), this problem has been fixed in
version 2.2.13p1-11 for cyrus-imapd-2.2 and in version 2.4.7-1
for cyrus-imapd-2.4.

We recommend that you upgrade your cyrus-imapd-2.2 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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