Artifex Ghostscript Sandbox Protection Mechanism information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Artifex Ghostscript. This issue affects some unknown processing of the component Sandbox Protection Mechanism. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2018-18073. The attack requires local access. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Artifex Ghostscript (Document Processing Software) (the affected version unknown) and classified as critical. This vulnerability affects an unknown part of the component Sandbox Protection Mechanism. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.

The bug was discovered 10/10/2018. The weakness was presented 10/15/2018 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2018-18073 since 10/09/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118313 (Debian DLA-1552-1 : 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 197288 (Ubuntu Security Notification for Ghostscript Vulnerabilities (USN-3803-1)).

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 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118313) and SecurityFocus (BID 106154†). See VDB-124263, VDB-125336, VDB-125806 and VDB-127079 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 118313
Nessus Name: Debian DLA-1552-1 : ghostscript security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: 34cc326eb2c5695833361887fe0b32e8d987741c

Timelineinfo

10/09/2018 🔍
10/10/2018 +1 days 🔍
10/15/2018 +4 days 🔍
10/15/2018 +0 days 🔍
10/16/2018 +1 days 🔍
10/22/2018 +6 days 🔍
10/23/2018 +1 days 🔍
11/23/2018 +31 days 🔍
05/25/2023 +1644 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: RHSA-2018:3834
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-18073 (🔍)
GCVE (CVE): GCVE-0-2018-18073
GCVE (VulDB): GCVE-100-125338

OVAL: 🔍

SecurityFocus: 106154 - Ghostscript Multiple Security Bypass Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/16/2018 08:51
Updated: 05/25/2023 14:28
Changes: 10/16/2018 08:51 (77), 04/02/2020 14:24 (4), 05/25/2023 14:28 (5)
Complete: 🔍
Cache ID: 216::103

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