[ GLSA 200403-10 ] Fetchmail 6.2.5 fixes a remote DoS

[GLSA]

Gentoo Linux Security Advisory

Title: Fetchmail 6.2.5 fixes a remote DoS (GLSA 200403-10)
Severity: normal
Exploitable: remote
Date: March 30, 2004
Bug(s): #37717
ID: 200403-10

Synopsis

Fetchmail versions 6.2.4 and earlier can be crashed by sending a specially-crafted email to a fetchmail user.

Background

Fetchmail is a utility that retrieves and forwards mail from remote systems using IMAP, POP, and other protocols.

Affected Packages

Package: net-mail/fetchmail
Vulnerable: <= 6.2.4
Unaffected: >= 6.2.5
Architectures: All supported architectures


Description

Fetchmail versions 6.2.4 and earlier can be crashed by sending a specially-crafted email to a fetchmail user. This problem occurs because Fetchmail does not properly allocate memory for long lines in an incoming email.

Impact

Fetchmail users who receive a malicious email may have their fetchmail program crash.

Workaround

While a workaround is not currently known for this issue, all users are advised to upgrade to the latest version of fetchmail.

Resolution

Fetchmail users should upgrade to version 6.2.5 or later: