First published: Wed Sep 03 2003(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Sendmail | =8.12.8-4 | |
Sendmail | =8.12.5-7 | |
Sendmail Sendmail | =8.12.3 | |
Sendmail Sendmail | =8.12.8 | |
SGI IRIX | =6.5.21 | |
SGI IRIX | =6.5.19 | |
Sendmail Sendmail | =8.12.4 | |
SGI IRIX | =6.5.20 | |
Sendmail Sendmail | =8.12.1 | |
Sendmail | =8.12.8-4 | |
Sendmail | =8.12.8-4 | |
Sendmail | =8.12.5-7 | |
Sendmail | =8.12.5-7 | |
Sendmail Sendmail | =8.12.5 | |
Sendmail | =8.12.5-7 | |
Sendmail Sendmail | =8.12.2 | |
Sendmail | =8.12.8-4 | |
Sendmail Sendmail | =8.12.6 | |
Sendmail Sendmail | =8.12.7 | |
FreeBSD FreeBSD | =4.7 | |
Compaq Tru64 | =5.0a | |
OpenBSD | =3.2 | |
FreeBSD FreeBSD | =4.8 | |
FreeBSD FreeBSD | =4.6 | |
Compaq Tru64 | =5.1 | |
FreeBSD FreeBSD | =5.0 |
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CVE-2003-0688 has been classified as critical due to its potential to cause denial of service by crashing the Sendmail process.
To fix CVE-2003-0688, update Sendmail to version 8.12.9 or later, which addresses this vulnerability.
CVE-2003-0688 affects Sendmail versions 8.12.8 and earlier.
CVE-2003-0688 enables remote attackers to cause Sendmail to crash, resulting in a denial of service.
Yes, CVE-2003-0688 is triggered by invalid DNS responses due to improper initialization in the DNS map code.