NASM Netwide Assembler 2.14.xx libnasm.a process_pragma/search_pragma_list/nasm_set_limit null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in NASM Netwide Assembler 2.14.xx and classified as problematic. Affected by this vulnerability is the function process_pragma/search_pragma_list/nasm_set_limit of the file libnasm.a. The manipulation results in null pointer dereference.
This vulnerability is cataloged as CVE-2019-14248. The attack must be initiated from a local position. There is no exploit available.
Details
A vulnerability was found in NASM Netwide Assembler 2.14.xx (Programming Tool Software). It has been classified as problematic. Affected is the function process_pragma/search_pragma_list/nasm_set_limit of the file libnasm.a. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:
In libnasm.a in Netwide Assembler (NASM) 2.14.xx, asm/pragma.c allows a NULL pointer dereference in process_pragma, search_pragma_list, and nasm_set_limit when "%pragma limit" is mishandled.
The weakness was shared 07/24/2019. This vulnerability is traded as CVE-2019-14248 since 07/23/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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.
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Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
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: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/23/2019 🔍07/24/2019 🔍
07/24/2019 🔍
11/06/2023 🔍
Sources
Advisory: bugzilla.nasm.usStatus: Not defined
CVE: CVE-2019-14248 (🔍)
GCVE (CVE): GCVE-0-2019-14248
GCVE (VulDB): GCVE-100-138534
Entry
Created: 07/24/2019 08:22Updated: 11/06/2023 12:25
Changes: 07/24/2019 08:22 (36), 07/10/2020 11:56 (18), 11/06/2023 12:25 (3)
Complete: 🔍
Cache ID: 216::103
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