drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Postfix
Name: |
Mehrere Probleme in Postfix |
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ID: |
DSA-2233-1 |
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Distribution: |
Debian |
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Plattformen: |
Debian lenny, Debian sid, Debian squeeze |
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Datum: |
Di, 10. Mai 2011, 22:18 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2939
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0411
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1720 |
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Applikationen: |
Postfix |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
- ------------------------------------------------------------------------- Debian Security Advisory DSA-2233-1 security@debian.org http://www.debian.org/security/ Florian Weimer May 10, 2011 http://www.debian.org/security/faq - -------------------------------------------------------------------------
Package : postfix Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2009-2939 CVE-2011-0411 CVE-2011-1720
Several vulnerabilities were discovered in Postfix, a mail transfer agent. The Common Vulnerabilities and Exposures project identifies the following problems:
CVE-2009-2939 The postinst script grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
CVE-2011-0411 The STARTTLS implementation does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place.
CVE-2011-1720 A heap-based read-only buffer overflow allows malicious clients to crash the smtpd server process using a crafted SASL authentication request.
For the oldstable distribution (lenny), this problem has been fixed in version 2.5.5-1.1+lenny1.
For the stable distribution (squeeze), this problem has been fixed in version 2.7.1-1+squeeze1.
For the unstable distribution (sid), this problem has been fixed in version 2.8.0-1.
We recommend that you upgrade your postfix 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux)
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