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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Mysql | >= 5.0.0, < 5.0.90 |
| Wolfssl | Yassl | < 1.9.9 |
| Canonical | Ubuntu Linux | 6.06 |
| Debian | Debian Linux | 4.0 |
| Mariadb | Mariadb | >= 5.1, < 5.1.42 |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/dailydave/2010-q1/0002.htmlBroken Link
- http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1Broken Link
- http://bugs.mysql.com/bug.php?id=50227ExploitIssue TrackingVendor Advisory
- http://dev.mysql.com/doc/refman/5.0/en/news-5-0-90.htmlBroken Link
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.htmlBroken Link
- http://intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.htmlBroken Link
- http://intevydis.com/mysql_demo.htmlBroken Link
- http://intevydis.com/mysql_overflow1.py.txtBroken Link
- http://intevydis.com/vd-list.shtmlBroken Link
- http://isc.sans.org/diary.html?storyid=7900Third Party Advisory
- http://lists.immunitysec.com/pipermail/dailydave/2010-January/006020.htmlBroken Link
- http://lists.mysql.com/commits/96697PatchVendor Advisory
- http://secunia.com/advisories/37493Third Party Advisory
- http://secunia.com/advisories/38344Third Party Advisory
- http://secunia.com/advisories/38364Third Party Advisory
FAQ
What is CVE-2009-4484?
CVE-2009-4484 is a vulnerability with a CVSS score of 7.5 (HIGH). 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, ...
How severe is CVE-2009-4484?
CVE-2009-4484 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-4484?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Mysql, Wolfssl Yassl, Canonical Ubuntu Linux, Debian Debian Linux, Mariadb Mariadb.