漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that Valgrind incorrectly handled certain string operations.
It was discovered that Valgrind incorrectly handled parsing certain binaries.
漏洞危害
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)
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)
解决方案
Refer to Ubuntu advisory USN-3337-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3337-1: 16.04 (Xenial) on src (valgrind)
USN-3337-1: 17.04 (zesty) on src (valgrind)
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