Artifex Ghostscript GhostXPS 9.22 base/ttinterp.c Ins_IP 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 described as critical has been identified in Artifex Ghostscript GhostXPS 9.22. This vulnerability affects the function Ins_IP of the file base/ttinterp.c. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2017-9612. It is possible to launch the attack on the local host. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Artifex Ghostscript GhostXPS 9.22 (Document Processing Software). This vulnerability affects the function Ins_IP of the file base/ttinterp.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Ins_IP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.22 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact via a crafted document.

The bug was discovered 06/10/2017. The weakness was released 07/26/2017 as confirmed git commit (GIT Repository). The advisory is shared for download at git.ghostscript.com. This vulnerability was named CVE-2017-9612 since 06/13/2017. The attack can be initiated remotely. No form of authentication is required for a successful 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 46 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)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.ghostscript.com. 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 99979†). Entries connected to this vulnerability are available at VDB-104535, VDB-104540, VDB-104541 and VDB-104542. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 🔍
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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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: 98f6da60b9d463c617e631fc254cf6d66f2e8e3c

Timelineinfo

06/10/2017 🔍
06/13/2017 +3 days 🔍
07/26/2017 +43 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: git.ghostscript.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9612 (🔍)
GCVE (CVE): GCVE-0-2017-9612
GCVE (VulDB): GCVE-100-104536

OVAL: 🔍

SecurityFocus: 99979 - Ghostscript GhostXPS CVE-2017-9612 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 07/27/2017 08:25
Updated: 12/14/2022 09:18
Changes: 07/27/2017 08:25 (81), 11/01/2019 15:20 (5), 12/14/2022 09:18 (4)
Complete: 🔍
Cache ID: 216::103

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