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GLSA 200403-10: Fetchmail 6.2.5 fixes a remote DoS
Posted by Philipp Esselbach on: 03/31/2004 02:51 AM [ Print | 0 comment(s) ]
A new Fetchmail update is available for Gentoo Linux
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Gentoo Linux Security Advisory GLSA 200403-10
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http://security.gentoo.org
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Severity: Normal
Title: Fetchmail 6.2.5 fixes a remote DoS
Date: March 30, 2004
Bugs: #37717
ID: 200403-10
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Synopsis
=======
Fetchmail versions 6.2.4 and earlier can be crashed by sending a specially-crafted email to a fetchmail user.
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Gentoo Linux Security Advisory GLSA 200403-10
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Fetchmail 6.2.5 fixes a remote DoS
Date: March 30, 2004
Bugs: #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 / Vulnerable / Unaffected
-------------------------------------------------------------------
net-mail/fetchmail <= 6.2.4 >= 6.2.5
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 the affected package.
Resolution
=========
Fetchmail users should upgrade to version 6.2.5 or later:
# emerge sync
# emerge -pv ">=net-mail/fetchmail-6.2.5"
# emerge ">=net-mail/fetchmail-6.2.5"
References
=========
[ 1 ] http://xforce.iss.net/xforce/xfdb/13450
[ 2 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0792
Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
=========
Fetchmail is a utility that retrieves and forwards mail from remote systems using IMAP, POP, and other protocols.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
net-mail/fetchmail <= 6.2.4 >= 6.2.5
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 the affected package.
Resolution
=========
Fetchmail users should upgrade to version 6.2.5 or later:
# emerge sync
# emerge -pv ">=net-mail/fetchmail-6.2.5"
# emerge ">=net-mail/fetchmail-6.2.5"
References
=========
[ 1 ] http://xforce.iss.net/xforce/xfdb/13450
[ 2 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0792
Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
