USN-3367-1: gdb vulnerabilities

Ubuntu Security Notice USN-3367-1

26th July, 2017

gdb 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 gdb.

Software description

• gdb
  - GNU Debugger
  
  

Details

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT
headers in PE executables. If a user or automated system were tricked into
processing a specially crafted binary, a remote attacker could use this
issue to cause gdb to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS.
()

It was discovered that gdb 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 gdb 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 gdb 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 gdb 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