$ cve CVE-2009-4484 JSON

CVE-2009-4484 EXPLOIT

7.5

HIGH · CVSS 2.0 · EPSS 69.6% (pctl 99)

Patch early

A public exploit exists.

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.

Scoring

CVSS	7.5 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS	69.55% — more likely to be exploited than 99% of all CVEs
Weakness	CWE-787
On CISA KEV	no
Public exploit	yes
Published	2009-12-30
Last modified	2026-06-16

Affected (5)

Vendor	Product
canonical	ubuntu linux
debian	debian linux
mariadb	mariadb
oracle	mysql
wolfssl	yassl

Public exploits

Source	Title	Date
exploit-db	MySQL - yaSSL CertDecoder::GetName Buffer Overflow (Metasploit)	2010-04-30

References

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