GLSA 202003-64: libxls: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	libxls: Multiple vulnerabilities
Date:	03/30/2020
Bugs:	#638336, #674006
ID:	202003-64

Synopsis

Multiple vulnerabilities have been found in libxls, the worst of which could result in the arbitrary execution of code.

Background

libxls is a C library for reading Excel files in the nasty old binary OLE format, plus a command-line tool for converting XLS to CSV.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/libxls	< 1.5.2	>= 1.5.2	All supported architectures

Description

Multiple vulnerabilities have been discovered in libxls. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to process a specially crafted Excel file using libxls, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libxls users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/libxls-1.5.2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-64.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.