CVE-2009-4484
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.
How to fix
- oracle mysql5.0.90, 5.1.43 or later
- wolfssl yassl1.9.9 or later
- mariadb mariadb5.1.42 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oracle mysql | 5.0.0 ≤ v < 5.0.90, 5.1.0 ≤ v < 5.1.43, 5.0.0 | 5.0.90, 5.1.43 |
| wolfssl yassl | v < 1.9.9 | 1.9.9 |
| canonical ubuntu_linux | 6.06, 8.04, 8.10, 9.04, 9.10, 10.04, 10.10, 11.04, 11.10 | — |
| debian debian_linux | 4.0, 5.0, 6.0 | — |
| mariadb mariadb | 5.1 ≤ v < 5.1.42 | 5.1.42 |
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