National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2009-4484 Detail

Current 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.

Source:  MITRE
Description Last Modified:  12/30/2009
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/26/2010)

Not vulnerable. This issue did not affect the versions of mysql as shipped with Red Hat Enterprise Linux 3, 4, or 5. The packages use OpenSSL and not yaSSL.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://archives.neohapsis.com/archives/dailydave/2010-q1/0002.html
http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1
http://bugs.mysql.com/bug.php?id=50227
http://dev.mysql.com/doc/refman/5.0/en/news-5-0-90.html
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html
http://intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.html
http://intevydis.com/mysql_demo.html
http://intevydis.com/mysql_overflow1.py.txt
http://isc.sans.org/diary.html?storyid=7900
http://lists.immunitysec.com/pipermail/dailydave/2010-January/006020.html
http://lists.mysql.com/commits/96697
http://securitytracker.com/id?1023402
http://securitytracker.com/id?1023513
http://ubuntu.com/usn/usn-897-1
http://www.debian.org/security/2010/dsa-1997
http://www.intevydis.com/blog/?p=106
http://www.intevydis.com/blog/?p=57
http://www.metasploit.com/modules/exploit/linux/mysql/mysql_yassl_getname
http://www.securityfocus.com/bid/37640
http://www.securityfocus.com/bid/37943
http://www.securityfocus.com/bid/37974
http://www.ubuntu.com/usn/USN-1397-1
http://www.vupen.com/english/advisories/2010/0233
http://www.vupen.com/english/advisories/2010/0236
http://www.yassl.com/news.html#yassl199
http://www.yassl.com/release.html
http://yassl.cvs.sourceforge.net/viewvc/yassl/yassl/taocrypt/src/asn.cpp?r1=1.13&r2=1.14
https://bugzilla.redhat.com/show_bug.cgi?id=555313
https://exchange.xforce.ibmcloud.com/vulnerabilities/55416

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-4484
NVD Published Date:
12/30/2009
NVD Last Modified:
01/04/2018