CVEvulnerability

CVE-2003-0540

5.0 MEDIUM Published 2003-08-27 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2003-08-27
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via (1) a malformed envelope address to a local host that would generate a bounce and contains the ".!" string in the MAIL FROM or Errors-To headers, which causes nqmgr to lock up, or (2) via a valid MAIL FROM with a RCPT TO containing a ".!" string, which causes an instance of the SMTP listener to lock up.

Affected configurations

• wietse venema postfix 1.0.21 • wietse venema postfix 1.1.11 • wietse venema postfix 1.1.12 • wietse venema postfix 1999-09-06 • wietse venema postfix 1999-12-31 • wietse venema postfix 2000-02-28 • wietse venema postfix 2001-11-15 • conectiva linux 7.0 • conectiva linux 8.0

References