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USN-3368-1: libiberty vulnerabilities

USN-3368-1: libiberty vulnerabilities

Ubuntu Security Notice USN-3368-1

26th July, 2017

libiberty vulnerabilities

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

Summary

Several security issues were fixed in libiberty.

Software description

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 version:

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

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

Source: USN-3368-1: libiberty vulnerabilities

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