1. Gentoo Linux Security Advisory
| Advisory Reference | GLSA 200608-06 / Courier |
| Release Date | August 04, 2006 |
| Latest Revision | August 04, 2006: 01 |
| Impact | normal |
| Exploitable | remote |
| Package | Vulnerable versions | Unaffected versions | Architecture(s) |
| mail-mta/courier | < 0.53.2 | >= 0.53.2 | All supported architectures |
Related bugreports: #135005
Courier MTA has fixed a DoS issue related to usernames containing a "=" character.
Courier MTA is an integrated mail and groupware server based on open protocols.
Courier MTA has fixed a security issue relating to usernames containing the "=" character, causing high CPU utilization.
An attacker could exploit this vulnerability by sending a specially crafted email to a mail gateway running a vulnerable version of Courier MTA.
There is no known workaround at this time.
All Courier MTA users should upgrade to the latest version:
Code Listing 3.1: Resolution |
# emerge --sync # emerge --ask --oneshot --verbose ">=mail-mta/courier-0.53.2" |