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Gentoo GLSA-201708-02: Normal Severity TNEF Denial Of Service

gentoo
Calendar Grey August 17, 2017
Dist Gentoo Esm H88
The Gentoo Linux Security Advisory GLSA-201708-02 reveals vulnerabilities in TNEF, risking unauthorized access, data leakage, and denial of service, necessitating urgent remediation.
Multiple vulnerabilities have been found in TNEF, the worst of which allows remote attackers to cause a Denial of Service condition.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service gentoo advisory multiple vulnerabilities normal severity TNEF

Resolution

All TNEF users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-mail/tnef-1.4.15"

References

[ 1 ] CVE-2017-6307 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6307 [ 2 ] CVE-2017-6308 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6308 [ 3 ] CVE-2017-6309 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6309 [ 4 ] CVE-2017-6310 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6310 [ 5 ] CVE-2017-8911 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8911

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201708-02
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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: TNEF: Multiple vulnerabilities
Date: August 17, 2017
Bugs: #611426, #618658
ID: 201708-02

Topics%20covered

Topics Covered

security advisory denial of service gentoo advisory multiple vulnerabilities normal severity TNEF

Synopsis

Multiple vulnerabilities have been found in TNEF, the worst of which allows remote attackers to cause a Denial of Service condition.

Background

TNEF is a program for unpacking MIME attachments of type "application/ms-tnef".

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-mail/tnef < 1.4.15 >= 1.4.15

Impact

===== A remote attacker could entice a user to process a specially crafted MIME attachment of type "application/ms-tnef" using TNEF, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.