CVE-2003-0688
5.0 · MEDIUMOverview
CVE-2003-0688 is a medium-severity vulnerability affecting redhat sendmail. It was published on October 20, 2003 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.
Remediation
Check the references section for vendor advisories and patches from redhat. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2003-0688?
CVE-2003-0688 is a medium-severity vulnerability affecting redhat sendmail. It was published on October 20, 2003 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2003-0688?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2003-0688?
Check the references section for vendor advisories and patches from redhat. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2003-0688?
CyberStrike's AI-powered security agents can automatically detect CVE-2003-0688 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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