Netwide Assembler 2.14rc0 preproc.c paste_tokens null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Netwide Assembler 2.14rc0. It has been declared as problematic. The impacted element is the function paste_tokens of the file preproc.c. Such manipulation leads to null pointer dereference.
This vulnerability is uniquely identified as CVE-2017-14228. The attack can be launched remotely. No exploit exists.
It is recommended to upgrade the affected component.
Details
A vulnerability was found in Netwide Assembler 2.14rc0 (Programming Tool Software) and classified as problematic. Affected by this issue is the function paste_tokens of the file preproc.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:
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function paste_tokens() in preproc.c, aka a NULL pointer dereference. It will lead to remote denial of service.
The bug was discovered 08/28/2017. The weakness was disclosed 09/09/2017 (Website). The advisory is available at bugzilla.nasm.us. This vulnerability is handled as CVE-2017-14228 since 09/09/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104916 (EulerOS 2.0 SP2 : nasm (EulerOS-SA-2017-1298)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197182 (Ubuntu Security Notification for Nasm Vulnerabilities (USN-3694-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104916). The entries VDB-110951 and VDB-114844 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 104916
Nessus Name: EulerOS 2.0 SP2 : nasm (EulerOS-SA-2017-1298)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
08/28/2017 🔍09/09/2017 🔍
09/09/2017 🔍
09/09/2017 🔍
09/10/2017 🔍
11/13/2017 🔍
12/01/2017 🔍
12/28/2022 🔍
Sources
Advisory: USN-3694-1Status: Not defined
CVE: CVE-2017-14228 (🔍)
GCVE (CVE): GCVE-0-2017-14228
GCVE (VulDB): GCVE-100-106322
See also: 🔍
Entry
Created: 09/10/2017 19:05Updated: 12/28/2022 09:41
Changes: 09/10/2017 19:05 (59), 11/14/2019 11:51 (16), 12/28/2022 09:41 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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