CVE-2009-4484 describes multiple stack-based buffer overflows in the CertDecoder::GetName function within the yaSSL library, affecting various products including MySQL, MariaDB, and WolfSSL. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service by sending a malformed X.509 client certificate during an SSL connection. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, a Metasploit module exists, indicating readily available exploit code, though community discussion and media coverage remain low.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, < 5.0.90CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | ||
>= 5.1.0, < 5.1.43CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | ||
5.0.0CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:5.0.0:milestone1:*:*:*:*:*:* | ||
5.0.0CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:5.0.0:milestone2:*:*:*:*:*:* | ||
< 1.9.9CPE matchmatch criteria | cpe:2.3:a:wolfssl:yassl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2009-4484
Sep 8, 2020mysql: yaSSL certificate parsing buffer overflow (vulndisco)
Jan 25, 2010Multiple 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.
Dec 2, 2009