libxls: Multiple vulnerabilities — GLSA 202003-64

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

Affected packages

dev-libs/libxls on all architectures
Affected versions < 1.5.2
Unaffected versions >= 1.5.2

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.

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

Release date
March 30, 2020

Latest revision
March 30, 2020: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries