CVE-2003-0688

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.71% Top 20%

Vendor Advisory mandriva.com Vendor Advisory sgi.com Vendor Advisory redhat.com Vendor Advisory novell.com Vendor Advisory com.br

Affected: n/a n/a

References

Link	Tags
http://www.mandriva.com/security/advisories?name=MDKSA-2003:086	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A597	vdb entry signature
ftp://patches.sgi.com/support/free/security/advisories/20030803-01-P	vendor advisory
http://www.sendmail.org/dnsmap1.html
http://www.redhat.com/support/errata/RHSA-2003-265.html	patch vendor advisory
http://www.novell.com/linux/security/advisories/2003_035_sendmail.html	vendor advisory
http://www.kb.cert.org/vuls/id/993452	third party advisory us government resource
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000727	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2003-0688?: CVE-2003-0688 has been scored as a medium severity vulnerability.
How to fix CVE-2003-0688?: To fix CVE-2003-0688, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2003-0688 being actively exploited in the wild?: It is possible that CVE-2003-0688 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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