VDB-160671 · CVE-2020-14373 · GCVE-0-2020-14373

Ghostscript 9.25 psi/igc.c igc_reloc_struct_ptr PDF File use after free

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ghostscript 9.25. It has been rated as problematic. Impacted is the function igc_reloc_struct_ptr of the file psi/igc.c. Performing a manipulation as part of PDF File results in use after free. This vulnerability is identified as CVE-2020-14373. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Ghostscript 9.25 (Document Processing Software). This affects the function igc_reloc_struct_ptr of the file psi/igc.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 availability. The summary by CVE is:

A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.

The weakness was released 09/03/2020 (Website). It is possible to read the advisory at bugs.ghostscript.com. This vulnerability is uniquely identified as CVE-2020-14373 since 06/17/2020. Attacking locally is a requirement. The successful exploitation requires a authentication. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Document Processing Software

Name

Ghostscript

Version

9.25

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/17/2020 🔍
09/03/2020 +78 days 🔍
09/04/2020 +1 days 🔍
09/04/2020 +0 days 🔍

Sourcesinfo

Advisory: bugs.ghostscript.com
Status: Not defined

CVE: CVE-2020-14373 (🔍)
GCVE (CVE): GCVE-0-2020-14373
GCVE (VulDB): GCVE-100-160671

Entryinfo

Created: 09/04/2020 06:46
Updated: 09/04/2020 06:51
Changes: 09/04/2020 06:46 (38), 09/04/2020 06:51 (18)
Complete: 🔍
Cache ID: 216::103