USN-3148-1: Ghostscript vulnerabilities

Releases

• Ubuntu 16.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• ghostscript - PostScript and PDF interpreter

Details

Tavis Ormandy discovered multiple vulnerabilities in the way that Ghostscript
processes certain Postscript files. If a user or automated system were tricked
into opening a specially crafted file, an attacker could cause a denial of
service or possibly execute arbitrary code. (CVE-2016-7976, CVE-2016-7978,
CVE-2016-7979, CVE-2016-8602)

Multiple vulnerabilities were discovered in Ghostscript related to information
disclosure. If a user or automated system were tricked into opening a specially
crafted file, an attacker could expose sensitive data. (CVE-2013-5653,
CVE-2016-7977)

Update instructions

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

Ubuntu 16.10

• ghostscript - 9.19~dfsg+1-0ubuntu6.2
• ghostscript-x - 9.19~dfsg+1-0ubuntu6.2
• libgs9 - 9.19~dfsg+1-0ubuntu6.2
• libgs9-common - 9.19~dfsg+1-0ubuntu6.2

Ubuntu 16.04

• ghostscript - 9.18~dfsg~0-0ubuntu2.2
• ghostscript-x - 9.18~dfsg~0-0ubuntu2.2
• libgs9 - 9.18~dfsg~0-0ubuntu2.2
• libgs9-common - 9.18~dfsg~0-0ubuntu2.2

Ubuntu 14.04

• ghostscript - 9.10~dfsg-0ubuntu10.5
• ghostscript-x - 9.10~dfsg-0ubuntu10.5
• libgs9 - 9.10~dfsg-0ubuntu10.5
• libgs9-common - 9.10~dfsg-0ubuntu10.5

Ubuntu 12.04

• ghostscript - 9.05~dfsg-0ubuntu4.4
• ghostscript-x - 9.05~dfsg-0ubuntu4.4
• libgs9 - 9.05~dfsg-0ubuntu4.4
• libgs9-common - 9.05~dfsg-0ubuntu4.4

In general, a standard system update will make all the necessary changes.

References

• CVE-2013-5653
• CVE-2016-7976
• CVE-2016-7977
• CVE-2016-7978
• CVE-2016-7979
• CVE-2016-8602