Artifex Ghostscript GhostXPS 9.22 xps/xpsttf.c xps_true_callback_glyph_name memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Artifex Ghostscript GhostXPS 9.22. Impacted is the function xps_true_callback_glyph_name of the file xps/xpsttf.c. The manipulation results in memory corruption. This vulnerability was named CVE-2017-9619. The attack needs to be approached locally. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Artifex Ghostscript GhostXPS 9.22 (Document Processing Software). Affected is the function xps_true_callback_glyph_name of the file xps/xpsttf.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

The xps_true_callback_glyph_name function in xps/xpsttf.c in Artifex Ghostscript GhostXPS 9.22 allows remote attackers to cause a denial of service (Segmentation Violation and application crash) via a crafted file.

The bug was discovered 07/25/2017. The weakness was presented 07/26/2017 as confirmed git commit (GIT Repository). The advisory is available at git.ghostscript.com. This vulnerability is traded as CVE-2017-9619 since 06/14/2017. 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 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119132 (GLSA-201811-12 : GPL Ghostscript: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

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 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (119132) and SecurityFocus (BID 99988†). See VDB-104537, VDB-104539 and VDB-104543 for similar entries. 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: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: 119132
Nessus Name: GLSA-201811-12 : GPL Ghostscript: Multiple vulnerabilities
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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: c53183d4e7103e87368b7cfa15367a47d559e323

Timelineinfo

06/14/2017 🔍
07/25/2017 +41 days 🔍
07/26/2017 +1 days 🔍
07/26/2017 +0 days 🔍
07/26/2017 +0 days 🔍
07/27/2017 +1 days 🔍
11/24/2018 +485 days 🔍
11/26/2018 +2 days 🔍
12/14/2022 +1479 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: git.ghostscript.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9619 (🔍)
GCVE (CVE): GCVE-0-2017-9619
GCVE (VulDB): GCVE-100-104538
SecurityFocus: 99988 - Ghostscript GhostXPS CVE-2017-9619 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 07/27/2017 08:25
Updated: 12/14/2022 09:22
Changes: 07/27/2017 08:25 (73), 11/01/2019 15:28 (9), 12/14/2022 09:22 (4)
Complete: 🔍
Cache ID: 216::103

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