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Gentoo Linux Security Advisory                           GLSA 201807-04
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: cURL:Heap-based Buffer Overflow
     Date: July 29, 2018
     Bugs: #660894
       ID: 201807-04

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Synopsis
========

A heap-based buffer overflow in cURL might allow remote attackers to
execute arbitrary code.

Background
==========

A command line tool and library for transferring data with URLs.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/curl                < 7.61.0                  >= 7.61.0 

Description
===========

A heap-based buffer overflow was discovered in cURL's
Curl_smtp_escape_eob() function.

Impact
======

An attacker could cause a Denial of Service condition or execute
arbitrary code via SMTP connections.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All cURL users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/curl-7.61.0"

References
==========

[ 1 ] CVE-2018-0500
      https://nvd.nist.gov/vuln/detail/CVE-2018-0500

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201807-04

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
https://bugs.gentoo.org.

License
=======

Copyright 2018 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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