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:

• 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. (,
, , )

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. (





.

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

References

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CVE-2016-6131