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Gentoo: GLSA-202103-78 Moderate Severity: Exploiting libxml Vulnerability

gentoo
Calendar Grey March 30, 2020
Dist Gentoo Esm H88
Several security flaws discovered in libxls may allow for unauthorized code execution on Gentoo platforms. Apply updates immediately.
Multiple vulnerabilities have been found in libxls, the worst of which could result in the arbitrary execution of code.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo code execution normal severity libxls

Resolution

All libxls users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libxls-1.5.2"

References

[ 1 ] CVE-2017-12110 https://nvd.nist.gov/vuln/detail/CVE-2017-12110 [ 2 ] CVE-2017-12111 https://nvd.nist.gov/vuln/detail/CVE-2017-12111 [ 3 ] CVE-2017-2896 https://nvd.nist.gov/vuln/detail/CVE-2017-2896 [ 4 ] CVE-2017-2897 https://nvd.nist.gov/vuln/detail/CVE-2017-2897 [ 5 ] CVE-2017-2919 https://nvd.nist.gov/vuln/detail/CVE-2017-2919 [ 6 ] CVE-2018-20450 https://nvd.nist.gov/vuln/detail/CVE-2018-20450 [ 7 ] CVE-2018-20452 https://nvd.nist.gov/vuln/detail/CVE-2018-20452

Availability

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

Severity: Normal
Title: libxls: Multiple vulnerabilities
Date: March 30, 2020
Bugs: #638336, #674006
ID: 202003-64

Topics%20covered

Topics Covered

security advisory gentoo code execution normal severity libxls

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libxls < 1.5.2 >= 1.5.2

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.

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