CVE-2009-4484
yaSSL <1.9.9 - Buffer Overflow
Title source: llmDescription
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
References (36)
... and 16 more
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