CVE-2009-4484 Information

Description

Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp in TaoCrypt in yaSSL before 1.9.9 as used in mysqld in MySQL 5.0.x before 5.0.90 MySQL 5.1.x before 5.1.43 MySQL 5.5.x through 5.5.0-m2 and other products allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption and daemon crash) by establishing an SSL connection and sending an X.509 client certificate with a crafted name field as demonstrated by mysql_overflow1.py and the vd_mysql5 module in VulnDisco Pack Professional 8.11. NOTE: this was originally reported for MySQL 5.0.51a.

Reference

http://archives.neohapsis.com/archives/dailydave/2010-q1/0002.html http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1 http://bugs.mysql.com/bug.php?id=50227 http://dev.mysql.com/doc/refman/5.0/en/news-5-0-90.html http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html http://intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.html http://intevydis.com/mysql_demo.html http://intevydis.com/mysql_overflow1.py.txt http://intevydis.com/vd-list.shtml http://isc.sans.org/diary.html?storyid=7900 http://lists.immunitysec.com/pipermail/dailydave/2010-January/006020.html http://lists.mysql.com/commits/96697 http://secunia.com/advisories/37493 http://secunia.com/advisories/38344 http://secunia.com/advisories/38364 http://secunia.com/advisories/38517 http://secunia.com/advisories/38573 http://securitytracker.com/id?1023402 http://securitytracker.com/id?1023513 http://ubuntu.com/usn/usn-897-1 http://www.debian.org/security/2010/dsa-1997 http://www.intevydis.com/blog/?p=106 http://www.intevydis.com/blog/?p=57 http://www.metasploit.com/modules/exploit/linux/mysql/mysql_yassl_getname http://www.osvdb.org/61956 http://www.securityfocus.com/bid/37640 http://www.securityfocus.com/bid/37943 http://www.securityfocus.com/bid/37974 http://www.ubuntu.com/usn/USN-1397-1 http://www.vupen.com/english/advisories/2010/0233 http://www.vupen.com/english/advisories/2010/0236 http://www.yassl.com/news.htmlyassl199 http://www.yassl.com/release.html http://yassl.cvs.sourceforge.net/viewvc/yassl/yassl/taocrypt/src/asn.cpp?r1=1.13&r2=1.14 https://bugzilla.redhat.com/show_bug.cgi?id=555313 https://exchange.xforce.ibmcloud.com/vulnerabilities/55416