CVE-2004-0836: Buffer Overflow
First published: Sat Oct 16 2004(Updated: )
Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MySQL | >=3.20<3.23.49 | |
| MySQL | >=4.0.0<4.0.21 | |
| Debian Linux | =3.0 |
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Reference Links
- http://www.debian.org/security/2004/dsa-562
- http://www.redhat.com/support/errata/RHSA-2004-597.html
- http://www.redhat.com/support/errata/RHSA-2004-611.html
- http://www.trustix.org/errata/2004/0054/
- http://www.gentoo.org/security/en/glsa/glsa-200410-22.xml
- http://bugs.mysql.com/bug.php?id=4017
- http://lists.mysql.com/internals/14726
- http://www.securityfocus.com/bid/10981
- http://secunia.com/advisories/12305/
- http://www.ciac.org/ciac/bulletins/p-018.shtml
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892
- http://marc.info/?l=bugtraq&m=110140517515735&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17047
Frequently Asked Questions
What is the severity of CVE-2004-0836?
CVE-2004-0836 has a high severity level due to its potential for remote code execution and denial of service.
How do I fix CVE-2004-0836?
To mitigate CVE-2004-0836, upgrade MySQL to version 4.0.21 or later, or 3.23.49 or later for affected releases.
What software is affected by CVE-2004-0836?
CVE-2004-0836 affects MySQL versions prior to 4.0.21 and 3.x versions prior to 3.23.49, along with certain Debian 3.0 installations.
What is the nature of the vulnerability in CVE-2004-0836?
CVE-2004-0836 is a buffer overflow vulnerability that allows remote DNS servers to exploit MySQL servers.
Can CVE-2004-0836 lead to data loss?
Yes, CVE-2004-0836 can potentially lead to data loss through denial of service or arbitrary code execution.
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