CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

A vulnerability classified as problematic was found in Artifex Ghostscript 9.21 (Document Processing Software). This vulnerability affects the function mark_line_tr of the file gxscanc.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The mark_line_tr function in gxscanc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PostScript document.

The bug was discovered 04/29/2017. The weakness was presented 05/12/2017 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2017-8908 since 05/12/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105974 (Fedora 27 : ghostscript / poppler-data (2017-c9b0c406b3)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105974) and SecurityFocus (BID 98427†).

Productinfo

Type

• Document Processing Software

Vendor

• Artifex

Name

• Ghostscript

Version

• 9.21

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 105974
Nessus Name: Fedora 27 : ghostscript / poppler-data (2017-c9b0c406b3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703397
OpenVAS Name: Fedora Update for ghostscript FEDORA-2017-c9b0c406b3
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

04/29/2017 🔍
05/12/2017 +13 days 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
05/12/2017 +0 days 🔍
11/15/2017 +187 days 🔍
01/15/2018 +61 days 🔍
12/06/2022 +1786 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2017-c9b0c406b3⛔
Researcher: Kamil Frankowicz
Status: Not defined

CVE: CVE-2017-8908 (🔍)
SecurityFocus: 98427 - Ghostscript CVE-2017-8908 Denial of Service Vulnerability
OSVDB: - CVE-2017-8908 - Artifex - Ghostscript GhostXPS - Out-of-Bounds Read Issue

Entryinfo

Created: 05/12/2017 02:40 PM
Updated: 12/06/2022 11:18 AM
Changes: 05/12/2017 02:40 PM (74), 09/25/2020 12:27 PM (6), 12/23/2020 10:12 AM (3), 12/06/2022 11:18 AM (3)
Complete: 🔍
Cache ID: 3:0E0:40

Discussion

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