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Vulnerability of binutils/libiberty: seven vulnerabilities

Synthesis of the vulnerability 

Several vulnerabilities were announced in binutils/libiberty.
Impacted software: GAiA, CheckPoint IP Appliance, SecurePlatform, CheckPoint Security Appliance, CheckPoint Security Gateway, Debian, Ubuntu.
Severity of this computer vulnerability: 2/4.
Number of vulnerabilities in this bulletin: 7.
Creation date: 18/07/2016.
Références of this announce: CVE-2016-4487, CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4491, CVE-2016-4492, CVE-2016-4493, DLA-552-1, sk116495, USN-3337-1, USN-3367-1, USN-3368-1, VIGILANCE-VUL-20140.

Description of the vulnerability 

Several vulnerabilities were announced in binutils/libiberty.

An attacker can force the usage of a freed memory area via btypevec, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4487]

An attacker can force the usage of a freed memory area via ktypevec, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4488]

An attacker can generate an integer overflow, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4489]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4490]

An attacker can generate an infinite loop via d_print_comp(), in order to trigger a denial of service. [severity:1/4; CVE-2016-4491]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4492]

An attacker can force a read at an invalid address, in order to trigger a denial of service, or to obtain sensitive information. [severity:1/4; CVE-2016-4493]
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This computer threat impacts software or systems such as GAiA, CheckPoint IP Appliance, SecurePlatform, CheckPoint Security Appliance, CheckPoint Security Gateway, Debian, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability alert is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 7 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity weakness.

Solutions for this threat 

Check Point: solution for libiberty.
The solution is indicated in information sources.

Debian 7: new binutils packages.
New packages are available:
  Debian 7: binutils 2.22-8+deb7u3

Ubuntu: new gdb packages.
New packages are available:
  Ubuntu 17.04: gdb 7.12.50.20170314-0ubuntu1.1
  Ubuntu 16.04 LTS: gdb 7.11.1-0ubuntu1~16.5
  Ubuntu 14.04 LTS: gdb 7.7.1-0ubuntu5~14.04.3

Ubuntu: new libiberty-dev packages.
New packages are available:
  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

Ubuntu: new valgrind packages.
New packages are available:
  Ubuntu 17.04: valgrind 1:3.12.0-1ubuntu1.1
  Ubuntu 16.10: valgrind 1:3.12.0~svn20160714-1ubuntu2.1
  Ubuntu 16.04 LTS: valgrind 1:3.11.0-1ubuntu4.2
  Ubuntu 14.04 LTS: valgrind 1:3.10.1-1ubuntu3~14.5
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