GnuCOBOL 2.2 COBOL Source cobc/parser.y end_scope_of_program_name use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in GnuCOBOL 2.2 and classified as critical. Affected by this vulnerability is the function end_scope_of_program_name of the file cobc/parser.y of the component COBOL Source Handler. Executing a manipulation can lead to use after free.
This vulnerability is tracked as CVE-2019-16396. The attack is restricted to local execution. No exploit exists.
Details
A vulnerability classified as critical was found in GnuCOBOL 2.2. This vulnerability affects the function end_scope_of_program_name of the file cobc/parser.y of the component COBOL Source 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. CVE summarizes:
GnuCOBOL 2.2 has a use-after-free in the end_scope_of_program_name() function in cobc/parser.y via crafted COBOL source code.
The weakness was disclosed 09/17/2019. This vulnerability was named CVE-2019-16396 since 09/17/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. 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.
The entry VDB-141921 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/17/2019 🔍09/17/2019 🔍
09/18/2019 🔍
12/26/2023 🔍
Sources
Advisory: sourceforge.netStatus: Not defined
CVE: CVE-2019-16396 (🔍)
GCVE (CVE): GCVE-0-2019-16396
GCVE (VulDB): GCVE-100-141922
See also: 🔍
Entry
Created: 09/18/2019 11:14Updated: 12/26/2023 08:55
Changes: 09/18/2019 11:14 (38), 08/28/2020 20:19 (17), 12/26/2023 08:55 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.