Artifex Ghostscript 9.50 devices/vector/gdevxps.c xps_finish_image_path PDF File use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Artifex Ghostscript 9.50. This issue affects the function xps_finish_image_path of the file devices/vector/gdevxps.c. The manipulation as part of PDF File results in use after free.
This vulnerability was named CVE-2020-16303. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability classified as critical has been found in Artifex Ghostscript 9.50 (Document Processing Software). Affected is the function xps_finish_image_path of the file devices/vector/gdevxps.c. The manipulation as part of a PDF File leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
A use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.
The weakness was presented 08/13/2020. This vulnerability is traded as CVE-2020-16303 since 08/03/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
Upgrading eliminates this vulnerability.
See VDB-159772, VDB-159771, VDB-159770 and VDB-159769 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://artifex.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
08/03/2020 🔍08/13/2020 🔍
08/13/2020 🔍
08/13/2020 🔍
Sources
Vendor: artifex.comStatus: Not defined
CVE: CVE-2020-16303 (🔍)
GCVE (CVE): GCVE-0-2020-16303
GCVE (VulDB): GCVE-100-159768
See also: 🔍
Entry
Created: 08/13/2020 13:27Updated: 08/13/2020 13:32
Changes: 08/13/2020 13:27 (39), 08/13/2020 13:32 (18)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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