JerryScript 2.2.0 parser/js/js-scanner.c scanner_reverse_info_list null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in JerryScript 2.2.0. This issue affects the function scanner_reverse_info_list of the file parser/js/js-scanner.c. Such manipulation leads to null pointer dereference.
This vulnerability is traded as CVE-2020-13649. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in JerryScript 2.2.0. It has been rated as problematic. Affected by this issue is the function scanner_reverse_info_list of the file parser/js/js-scanner.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
The weakness was shared 05/28/2020. This vulnerability is handled as CVE-2020-13649 since 05/28/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details 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.
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Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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
05/28/2020 🔍05/28/2020 🔍
05/29/2020 🔍
05/30/2020 🔍
Sources
Status: Not definedCVE: CVE-2020-13649 (🔍)
GCVE (CVE): GCVE-0-2020-13649
GCVE (VulDB): GCVE-100-155654
Entry
Created: 05/30/2020 00:05Updated: 05/30/2020 00:10
Changes: 05/30/2020 00:05 (35), 05/30/2020 00:10 (17)
Complete: 🔍
Cache ID: 216::103
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