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 was found in Foxit PDF Reader 11.0.0.49893 and classified as critical. This affects an unknown function of the component Annotation Object Handler. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2021-34842. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical was found in Foxit PDF Reader 11.0.0.49893 (Document Reader Software). This vulnerability affects an unknown code of the component Annotation Object Handler. The manipulation with an unknown input 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 weakness was published 08/05/2021. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2021-34842. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
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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 |
|---|---|---|---|---|---|
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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: 🔍
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-2021-34842 (🔍)
GCVE (CVE): GCVE-0-2021-34842
GCVE (VulDB): GCVE-100-180100
Entry
Created: 08/05/2021 07:33Updated: 08/08/2021 10:59
Changes: 08/05/2021 07:33 (37), 08/08/2021 10:53 (2), 08/08/2021 10:59 (19)
Complete: 🔍
Cache ID: 216::103
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