Adobe svg-native-viewer up to 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d SVG File heap-based overflow

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Adobe svg-native-viewer up to 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d. It has been declared as critical. The affected element is an unknown function of the component SVG File Handler. The manipulation results in heap-based overflow. This vulnerability is known as CVE-2021-39823. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability classified as critical has been found in Adobe svg-native-viewer up to 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d. Affected is some unknown processing of the component SVG File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 09/28/2021 as apsb21-72. The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2021-39823 since 08/23/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/28/2021).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.adobe.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 7.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / 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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍09/28/2021 🔍
09/28/2021 🔍
10/02/2021 🔍
Sources
Vendor: adobe.comAdvisory: apsb21-72
Status: Confirmed
CVE: CVE-2021-39823 (🔍)
GCVE (CVE): GCVE-0-2021-39823
GCVE (VulDB): GCVE-100-183420
Entry
Created: 09/28/2021 02:22Updated: 10/02/2021 21:00
Changes: 09/28/2021 02:22 (48), 10/02/2021 21:00 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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