USN-3337-1: Valgrind vulnerabilities

Releases

• Ubuntu 17.04
• Ubuntu 16.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• valgrind - instrumentation framework for building dynamic analysis tools

Details

It was discovered that Valgrind incorrectly handled certain string
operations. If a user or automated system were tricked into processing a
specially crafted binary, a remote attacker could possibly execute
arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04
LTS and Ubuntu 16.10. (CVE-2016-2226)

It was discovered that Valgrind 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
Valgrind to crash, resulting in a denial of service. (CVE-2016-4487,
CVE-2016-4488, CVE-2016-4489, CVE-2016-4490, CVE-2016-4491, CVE-2016-4492,
CVE-2016-4493, CVE-2016-6131)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04

• valgrind - 1:3.12.0-1ubuntu1.1

Ubuntu 16.10

• valgrind - 1:3.12.0~svn20160714-1ubuntu2.1

Ubuntu 16.04

• valgrind - 1:3.11.0-1ubuntu4.2

Ubuntu 14.04

• valgrind - 1:3.10.1-1ubuntu3~14.5

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

Related notices

• USN-3367-1
• USN-3368-1
• USN-4336-2