National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-7977 Detail

Current Description

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document.

Source:  MITRE
Description Last Modified:  05/23/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=8abd22010eb4db0fb1b10e430d5f5d83e015ef70 Patch
http://rhn.redhat.com/errata/RHSA-2017-0013.html
http://rhn.redhat.com/errata/RHSA-2017-0014.html
http://www.debian.org/security/2016/dsa-3691
http://www.openwall.com/lists/oss-security/2016/09/29/28 Mailing List Patch
http://www.openwall.com/lists/oss-security/2016/10/05/15 Mailing List Patch
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.securityfocus.com/bid/95334 Third Party Advisory VDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=697169 Issue Tracking Patch
https://ghostscript.com/doc/9.21/History9.htm Release Notes
https://security.gentoo.org/glsa/201702-31

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7977
NVD Published Date:
05/23/2017
NVD Last Modified:
01/18/2018