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 and the vd_mysql5 module in VulnDisco Pack Professional 8.11. NOTE: this was originally reported for MySQL 5.0.51a.
Published 2009-12-30 21:30:01
Updated 2023-02-14 21:13:07
Source MITRE
View at NVD,
Vulnerability category: Memory CorruptionExecute codeDenial of service

Threat overview for CVE-2009-4484

Top countries where our scanners detected CVE-2009-4484
Top open port discovered on systems with this issue 8200
IPs affected by CVE-2009-4484 369
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4484!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4484

Probability of exploitation activity in the next 30 days: 97.21%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2009-4484

  • MySQL yaSSL CertDecoder::GetName Buffer Overflow
    Disclosure Date: 2010-01-25
    First seen: 2020-04-26
    This module exploits a stack buffer overflow in the yaSSL (1.9.8 and earlier) implementation bundled with MySQL. By sending a specially crafted client certificate, an attacker can execute arbitrary code. This vulnerability is present within the CertDecoder::GetNam

CVSS scores for CVE-2009-4484

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source

CWE ids for CVE-2009-4484

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: (Primary)

Vendor statements for CVE-2009-4484

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to terms of use!