Onigmo up to 6.2.0 regparse.c onig_error_code_to_str null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Onigmo up to 6.2.0. This vulnerability affects the function onig_error_code_to_str of the file regparse.c. Such manipulation leads to null pointer dereference.
This vulnerability is uniquely identified as CVE-2019-16161. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in Onigmo up to 6.2.0. It has been rated as problematic. Affected by this issue is the function onig_error_code_to_str of the file regparse.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:
Onigmo through 6.2.0 has a NULL pointer dereference in onig_error_code_to_str because of fetch_token in regparse.c.
The weakness was disclosed 09/09/2019. This vulnerability is handled as CVE-2019-16161 since 09/09/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, 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.
The entry VDB-141453 is pretty similar. Once again VulDB remains the best source for vulnerability data.
Product
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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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Patch: github.com
Timeline
09/09/2019 🔍09/09/2019 🔍
09/10/2019 🔍
12/18/2023 🔍
Sources
Advisory: 9827d5a0298ee766f6041db9c0080166ff6cdce8Status: Not defined
CVE: CVE-2019-16161 (🔍)
GCVE (CVE): GCVE-0-2019-16161
GCVE (VulDB): GCVE-100-141452
See also: 🔍
Entry
Created: 09/10/2019 10:02Updated: 12/18/2023 11:12
Changes: 09/10/2019 10:02 (36), 08/17/2020 12:26 (17), 12/18/2023 11:12 (5)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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