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Alerts This Week
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Gentoo: GLSA-202311-01 Critical: FreeXL Buffer Overflow Threat

gentoo
Calendar Grey June 27, 2016
Dist Gentoo Esm H88
Multiple security flaws within FreeXL could allow distant adversaries to run arbitrary code or initiate Denial of Service attacks; it's crucial to apply updates.
Multiple vulnerabilities have been found in FreeXL, allowing remote attackers to executive arbitrary code or cause Denial of Service.

Summary

FreeXL's shared strings and workbook functions are vulnerable to the remote execution of arbitrary code and Denial of Service. This can be achieved through specially crafted workbooks from attackers.

Topics%20covered

Topics Covered

security advisory denial of service gentoo buffer overflow remote code execution FreeXL

Resolution

All FreeXL users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "dev-libs/freexl-1.0.1"

References

[ 1 ] CVE-2015-2753 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2753 [ 2 ] CVE-2015-2754 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2754 [ 3 ] CVE-2015-2776 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2776

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201606-15
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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.

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Severity: Normal
Title: FreeXL: Multiple vulnerabilities
Date: June 26, 2016
Bugs: #544426
ID: 201606-15

Topics%20covered

Topics Covered

security advisory denial of service gentoo buffer overflow remote code execution FreeXL

Synopsis

Multiple vulnerabilities have been found in FreeXL, allowing remote attackers to executive arbitrary code or cause Denial of Service.

Background

FreeXL is an open source library to extract valid data from within an Excel (.xls) spreadsheet.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/freexl < 1.0.1 >= 1.0.1

Impact

===== Remote attackers could potentially execute arbitrary code or cause Denial of Service.

Workaround

There is no known workaround at this time.

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