Foxit PDF Reader 11.0.0.49893 Annotation Object use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Foxit PDF Reader 11.0.0.49893. Impacted is an unknown function of the component Annotation Object Handler. The manipulation results in use after free. This vulnerability was named CVE-2021-34850. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability classified as critical has been found in Foxit PDF Reader 11.0.0.49893 (Document Reader Software). Affected is an unknown code block of the component Annotation Object Handler. The manipulation with an unknown input 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.
The weakness was presented 08/05/2021. The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2021-34850. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.foxitsoftware.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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
06/17/2021 🔍08/05/2021 🔍
08/05/2021 🔍
08/08/2021 🔍
Sources
Vendor: foxitsoftware.comAdvisory: zerodayinitiative.com
Status: Confirmed
CVE: CVE-2021-34850 (🔍)
GCVE (CVE): GCVE-0-2021-34850
GCVE (VulDB): GCVE-100-180108
Entry
Created: 08/05/2021 07:40Updated: 08/08/2021 12:59
Changes: 08/05/2021 07:40 (37), 08/08/2021 12:51 (2), 08/08/2021 12:59 (19)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.