Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp...

Vulnerability 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.

References

• http://intevydis.com/mysql_overflow1.py.txt
• http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html
• http://secunia.com/advisories/38573
• http://www.ubuntu.com/usn/USN-1397-1
• http://secunia.com/advisories/37493
• http://www.yassl.com/release.html
• http://www.yassl.com/news.html#yassl199
• http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1
• http://www.intevydis.com/blog/?p=106
• http://intevydis.com/mysql_demo.html
• http://intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.html
• http://secunia.com/advisories/38364
• http://secunia.com/advisories/38517
• http://yassl.cvs.sourceforge.net/viewvc/yassl/yassl/taocrypt/src/asn.cpp?r1=1.13&r2=1.14
• http://www.securityfocus.com/bid/37974
• http://securitytracker.com/id?1023513
• http://ubuntu.com/usn/usn-897-1
• http://www.metasploit.com/modules/exploit/linux/mysql/mysql_yassl_getname
• http://www.vupen.com/english/advisories/2010/0236
• http://archives.neohapsis.com/archives/dailydave/2010-q1/0002.html
• https://bugzilla.redhat.com/show_bug.cgi?id=555313
• http://bugs.mysql.com/bug.php?id=50227
• http://www.securityfocus.com/bid/37640
• https://exchange.xforce.ibmcloud.com/vulnerabilities/55416
• http://www.intevydis.com/blog/?p=57
• http://isc.sans.org/diary.html?storyid=7900
• http://lists.mysql.com/commits/96697
• http://securitytracker.com/id?1023402
• http://dev.mysql.com/doc/refman/5.0/en/news-5-0-90.html
• http://www.osvdb.org/61956
• http://intevydis.com/vd-list.shtml
• http://secunia.com/advisories/38344
• http://www.securityfocus.com/bid/37943
• http://www.vupen.com/english/advisories/2010/0233
• http://lists.immunitysec.com/pipermail/dailydave/2010-January/006020.html
• http://www.debian.org/security/2010/dsa-1997