CVE-2009-4484

yaSSL <1.9.9 - Buffer Overflow

Title source: llm

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.

Exploits (2)

metasploit WORKING POC GOOD
by jduck · rubypoclinux
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/mysql/mysql_yassl_getname.rb
exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotelinux
https://www.exploit-db.com/exploits/16850

Scores

EPSS 0.7582
EPSS Percentile 98.9%

Classification

CWE
CWE-787
Status draft

Affected Products (17)

oracle/mysql < 5.0.90
oracle/mysql
oracle/mysql
wolfssl/yassl < 1.9.9
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
canonical/ubuntu_linux
debian/debian_linux
debian/debian_linux
... and 2 more

Timeline

Published Dec 30, 2009
Tracked Since Feb 18, 2026