Artifex Ghostscript GhostXPS 9.22 base/ttinterp.c Ins_MDRP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Artifex Ghostscript GhostXPS 9.22. The impacted element is the function Ins_MDRP of the file base/ttinterp.c. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2017-9726. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Artifex Ghostscript GhostXPS 9.22 (Document Processing Software) and classified as critical. Affected by this issue is the function Ins_MDRP of the file base/ttinterp.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Ins_MDRP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.22 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document.

The bug was discovered 07/25/2017. The weakness was published 07/26/2017 (Website). The advisory is shared for download at bugs.ghostscript.com. This vulnerability is handled as CVE-2017-9726 since 06/16/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102096 (Debian DLA-1048-1 : 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 196898 (Ubuntu Security Notification for Ghostscript Vulnerabilities (USN-3403-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102096) and SecurityFocus (BID 99992†). Similar entries are available at VDB-104535, VDB-104536, VDB-104541 and VDB-104542. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 102096
Nessus Name: Debian DLA-1048-1 : ghostscript security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53754
OpenVAS Name: Debian Security Advisory DSA 3986-1 (ghostscript - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: 7755e67116e8973ee0e3b22d653df026a84fa01b

Timelineinfo

06/16/2017 🔍
07/25/2017 +39 days 🔍
07/26/2017 +1 days 🔍
07/26/2017 +0 days 🔍
07/26/2017 +0 days 🔍
07/27/2017 +1 days 🔍
08/01/2017 +5 days 🔍
08/02/2017 +1 days 🔍
12/14/2022 +1960 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: bugs.ghostscript.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9726 (🔍)
GCVE (CVE): GCVE-0-2017-9726
GCVE (VulDB): GCVE-100-104540

OVAL: 🔍

SecurityFocus: 99992 - Ghostscript GhostXPS CVE-2017-9726 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/27/2017 08:25
Updated: 12/14/2022 09:24
Changes: 07/27/2017 08:25 (78), 11/01/2019 15:31 (6), 12/14/2022 09:24 (5)
Complete: 🔍
Cache ID: 216::103

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