Vulnerability Report

CVE-2003-0688

Title: Sendmail DNS map DoS

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2003-0688.

CWE Category NVD-CWE-noinfo
Published Date Oct 20, 2003
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 5.0 CVSS v2.0
Exploit Probability (EPSS)
3.56%

Vulnerability Summary

CVE-2003-0688: 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.

Impacted Vendors

E
eric_allman 1
M
metainfo 1
S
sendmail 1
R
redhat 1

Reference Links

ftp://patches.sgi.com/support/free/security/advisories/20030803-01-P http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000727 http://www.kb.cert.org/vuls/id/993452 http://www.mandriva.com/security/advisories?name=MDKSA-2003:086 http://www.novell.com/linux/security/advisories/2003_035_sendmail.html http://www.redhat.com/support/errata/RHSA-2003-265.html http://www.sendmail.org/dnsmap1.html https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A597 ftp://patches.sgi.com/support/free/security/advisories/20030803-01-P http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000727 http://www.kb.cert.org/vuls/id/993452 http://www.mandriva.com/security/advisories?name=MDKSA-2003:086 http://www.novell.com/linux/security/advisories/2003_035_sendmail.html http://www.redhat.com/support/errata/RHSA-2003-265.html http://www.sendmail.org/dnsmap1.html https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A597
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2003-0688 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.