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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"
<ubuntu-security-announce@lists.ubuntu.com>
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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