漏洞类别:Ubuntu
漏洞等级:
漏洞信息
It was discovered that Ghostscript mishandles references.
It was discovered that Ghostscript could allow a heap-based buffer over-read and application crash.
An use-after-free vulnerability in Ghostscript.
A lack of integer overflow check in Ghostscript.
漏洞危害
A remote attacker could use this to cause a denial of service. (CVE-2017-11714)
A remote attacker could use a crafted document to cause a denial of service. (CVE-2017-9611, CVE-2017-9726, CVE-2017-9727, CVE-2017-9739)
A remote attacker could use a crafted file to cause a denial of service. (CVE-2017-9612)
A remote attacker could use crafted PostScript document to cause a denial of service. (CVE-2017-9835)
解决方案
Refer to Ubuntu advisory USN-3403-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3403-1: 14.04 (Kylin) on src (ghostscript)
USN-3403-1: 14.04 (Kylin) on src (ghostscript-x)
USN-3403-1: 14.04 (Kylin) on src (libgs9)
USN-3403-1: 14.04 (Kylin) on src (libgs9-common)
USN-3403-1: 16.04 (Xenial) on src (ghostscript)
USN-3403-1: 16.04 (Xenial) on src (ghostscript-x)
USN-3403-1: 16.04 (Xenial) on src (libgs9)
USN-3403-1: 16.04 (Xenial) on src (libgs9-common)
USN-3403-1: 17.04 (zesty) on src (ghostscript)
USN-3403-1: 17.04 (zesty) on src (ghostscript-x)
0daybank
文章评论