FontForge 20190801 sfd.c SFD_GetFontMetaData Metadata use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in FontForge 20190801. It has been classified as critical. Affected is the function SFD_GetFontMetaData of the file sfd.c. This manipulation as part of Metadata causes use after free.
The identification of this vulnerability is CVE-2020-5395. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability has been found in FontForge 20190801 and classified as critical. Affected by this vulnerability is the function SFD_GetFontMetaData of the file sfd.c. The manipulation as part of a Metadata leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
FontForge 20190801 has a use-after-free in SFD_GetFontMetaData in sfd.c.
The weakness was shared 01/03/2020. This vulnerability is known as CVE-2020-5395 since 01/03/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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.
The entry VDB-148280 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
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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: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/03/2020 🔍01/03/2020 🔍
01/04/2020 🔍
03/19/2024 🔍
Sources
Product: github.comAdvisory: 4084
Status: Not defined
CVE: CVE-2020-5395 (🔍)
GCVE (CVE): GCVE-0-2020-5395
GCVE (VulDB): GCVE-100-148279
See also: 🔍
Entry
Created: 01/04/2020 11:30Updated: 03/19/2024 13:30
Changes: 01/04/2020 11:30 (37), 01/04/2020 11:35 (17), 03/19/2024 13:24 (18), 03/19/2024 13:30 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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