Artifex Ghostscript 9.20 base/gsdevmem.c gs_makewordimagedevice null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Artifex Ghostscript 9.20. This vulnerability affects the function gs_makewordimagedevice of the file base/gsdevmem.c. The manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2016-10220. The attack must be initiated from a local position. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Artifex Ghostscript 9.20 (Document Processing Software). Affected is the function gs_makewordimagedevice of the file base/gsdevmem.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

The gs_makewordimagedevice function in base/gsdevmem.c in Artifex Software, Inc. Ghostscript 9.20 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file that is mishandled in the PDF Transparency module.

The bug was discovered 12/21/2016. The weakness was shared 04/03/2017 as confirmed git commit (GIT Repository). The advisory is available at ghostscript.com. This vulnerability is traded as CVE-2016-10220 since 02/09/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 103 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99544 (Debian DLA-905-1 : ghostscript security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277699 (Fedora Security Update for ghostscript (FEDORA-2017-a606d224a5)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ghostscript.com. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99544) and SecurityFocus (BID 97410†). The entries VDB-99231, VDB-99232, VDB-99233 and VDB-99248 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99544
Nessus Name: Debian DLA-905-1 : ghostscript security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703838
OpenVAS Name: Debian Security Advisory DSA 3838-1 (ghostscript - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: ghostscript.com

Timelineinfo

12/21/2016 🔍
02/09/2017 +50 days 🔍
04/03/2017 +53 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
04/20/2017 +17 days 🔍
04/21/2017 +1 days 🔍
08/25/2020 +1222 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: ghostscript.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10220 (🔍)
GCVE (CVE): GCVE-0-2016-10220
GCVE (VulDB): GCVE-100-99234

OVAL: 🔍

SecurityFocus: 97410 - Ghostscript 'base/gxht_thresh.c' Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2016-10220 - Ghostscript - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/03/2017 16:54
Updated: 08/25/2020 11:09
Changes: 04/03/2017 16:54 (80), 08/25/2020 11:09 (6)
Complete: 🔍
Cache ID: 216:DFA:103

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