libredwg up to 0.10.1.3751 dwg.spec dwg_free_MATERIAL_private double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in libredwg up to 0.10.1.3751. It has been rated as critical. Affected by this vulnerability is the function dwg_free_MATERIAL_private of the file dwg.spec. The manipulation leads to double free.
This vulnerability is traded as CVE-2021-39528. There is no exploit available.
Details
A vulnerability was found in libredwg up to 0.10.1.3751 (Image Processing Software) and classified as critical. This issue affects the function dwg_free_MATERIAL_private of the file dwg.spec. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability.
The weakness was shared 09/21/2021 as 256. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-39528 since 08/23/2021. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 7.1
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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: Double freeCWE: CWE-415 / 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍09/21/2021 🔍
09/21/2021 🔍
09/29/2021 🔍
Sources
Product: github.comAdvisory: 256
Status: Confirmed
CVE: CVE-2021-39528 (🔍)
GCVE (CVE): GCVE-0-2021-39528
GCVE (VulDB): GCVE-100-183029
Entry
Created: 09/21/2021 09:36Updated: 09/29/2021 23:33
Changes: 09/21/2021 09:36 (39), 09/29/2021 23:23 (1), 09/29/2021 23:33 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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