GLSA 201807-04: cURL:Heap-based Buffer Overflow

http://security.gentoo.org/

Severity:	normal
Title:	cURL:Heap-based Buffer Overflow
Date:	07/29/2018
Bugs:	#660894
ID:	201807-04

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	Architecture(s)
net-misc/curl	< 7.61.0	>= 7.61.0	All supported architectures

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

CVE-2018-0500

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201807-04.xml

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.