CVE-2011-1720

Impact

The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00002.html
• http://secunia.com/advisories/44500
• http://security.gentoo.org/glsa/glsa-201206-33.xml
• http://securityreason.com/securityalert/8247
• http://www.debian.org/security/2011/dsa-2233
• http://www.kb.cert.org/vuls/id/727230
• http://www.mail-archive.com/postfix-announce%40postfix.org/msg00007.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:090
• http://www.osvdb.org/72259
• http://www.postfix.org/CVE-2011-1720.html
• http://www.postfix.org/announcements/postfix-2.8.3.html
• http://www.securityfocus.com/archive/1/517917/100/0/threaded
• http://www.securityfocus.com/bid/47778
• http://www.securitytracker.com/id?1025521
• http://www.ubuntu.com/usn/usn-1131-1
• https://bugzilla.redhat.com/show_bug.cgi?id=699035
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67359
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00002.html
• http://secunia.com/advisories/44500
• http://security.gentoo.org/glsa/glsa-201206-33.xml
• http://securityreason.com/securityalert/8247
• http://www.debian.org/security/2011/dsa-2233
• http://www.kb.cert.org/vuls/id/727230