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Sicherheit: Mehrere Probleme in libiberty
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libiberty
ID: USN-3368-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04
Datum: Mi, 26. Juli 2017, 23:41
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4492
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2226
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4491
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4488
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4487
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6131
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4489
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4490
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4493

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
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Message-ID: <20d50d49-32aa-1e86-c7d5-aa883f456f71@canonical.com>
Subject: [USN-3368-1] libiberty vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3368-1
July 26, 2017

libiberty vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libiberty.

Software Description:
- libiberty: library of utility functions used by GNU programs

Details:

It was discovered that libiberty incorrectly handled certain string
operations. If a user or automated system were tricked into processing a
specially crafted binary, a remote attacker could use this issue to cause
libiberty to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only applied to Ubuntu 14.04 LTS and Ubuntu
16.04 LTS. (CVE-2016-2226)

It was discovered that libiberty incorrectly handled parsing certain
binaries. If a user or automated system were tricked into processing a
specially crafted binary, a remote attacker could use this issue to cause
libiberty to crash, resulting in a denial of service. This issue only
applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4487,
CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4492, CVE-2016-4493,
CVE-2016-6131)

It was discovered that libiberty incorrectly handled parsing certain
binaries. If a user or automated system were tricked into processing a
specially crafted binary, a remote attacker could use this issue to cause
libiberty to crash, resulting in a denial of service. (CVE-2016-4491)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
libiberty-dev 20161220-1ubuntu0.2

Ubuntu 16.04 LTS:
libiberty-dev 20160215-1ubuntu0.2

Ubuntu 14.04 LTS:
libiberty-dev 20131116-1ubuntu0.2

In general, a standard system update will make all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3368-1
CVE-2016-2226, CVE-2016-4487, CVE-2016-4488, CVE-2016-4489,
CVE-2016-4490, CVE-2016-4491, CVE-2016-4492, CVE-2016-4493,
CVE-2016-6131

Package Information:
https://launchpad.net/ubuntu/+source/libiberty/20161220-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libiberty/20160215-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libiberty/20131116-1ubuntu0.2



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