61956 : yaSSL Certificate Name Handling Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	782	over 2 years ago	about 1 year ago	6 times	45%

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Timeline

Disclosure Date	Vendor Solution Date
2010-01-26	2010-01-26

Keywords

VulnDisco, vd_mysql5

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-4484" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

Upgrade to version 1.9.9 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2009-4484 (see also: NVD)
Secunia Advisory ID: 36575 37493 38344 38364 38517 38573 39176 47402
Metasploit ID: 61956
Other Advisory URL: http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1
http://intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.html
http://intevydis.com/vd-list.shtml
http://www.intevydis.com/blog/?p=57
Vendor Specific News/Changelog Entry: http://bugs.mysql.com/bug.php?id=50227
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html
http://freshmeat.net/projects/mysql/releases/311999
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00008.html
http://security.gentoo.org/glsa/glsa-201201-02.xml
http://yassl.com/news.html#yassl199
http://yassl.cvs.sourceforge.net/viewvc/yassl/yassl/taocrypt/src/asn.cpp?r1=1.13&r2=1.14
https://lists.ubuntu.com/archives/ubuntu-security-announce/2010-February/001042.html
Vendor Specific Advisory URL: http://www.us.debian.org/security/2010/dsa-1997

Tools & Filters

Snort	16385

Credit

Unknown or Incomplete

CVSSv2 Score

We currently have no CVSS2 data on this vulnerability. Feel free to suggest it.

Blogs

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