Artifex Ghostscript 9.50 gdevtxtw.c PostScript File null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.2 | $0-$5k | 0.00 |
A vulnerability has been found in Artifex Ghostscript 9.50 (Document Processing Software) and classified as problematic. This vulnerability affects an unknown code of the file devices/vector/gdevtxtw.c. The manipulation as part of a PostScript File leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
The weakness was disclosed 08/13/2020. This vulnerability was named CVE-2020-16307 since 08/03/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
Upgrading eliminates this vulnerability.
The entries 159775, 159774, 159773 and 159771 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
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Current Price Estimation: 🔍
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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-2020-16307 (🔍)
See also: 🔍
Entry
Created: 08/13/2020 13:28Updated: 08/13/2020 13:33
Changes: 08/13/2020 13:28 (38), 08/13/2020 13:33 (18)
Complete: 🔍
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