Netwide Assembler 2.14rc15 asm/preproc.c expand_mmac_params out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Netwide Assembler 2.14rc15. It has been rated as critical. This vulnerability affects the function expand_mmac_params of the file asm/preproc.c. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2018-19214. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in Netwide Assembler 2.14rc15 (Programming Tool Software) and classified as critical. Affected by this vulnerability is the function expand_mmac_params of the file asm/preproc.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Netwide Assembler (NASM) 2.14rc15 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for insufficient input.

The bug was discovered 10/28/2018. The weakness was shared 11/12/2018 (Website). It is possible to read the advisory at bugzilla.nasm.us. This vulnerability is known as CVE-2018-19214 since 11/12/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-126681, VDB-126680 and VDB-126678 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: repo.or.cz

Timelineinfo

10/28/2018 🔍
11/12/2018 +15 days 🔍
11/12/2018 +0 days 🔍
11/12/2018 +0 days 🔍
11/13/2018 +1 days 🔍
06/05/2023 +1665 days 🔍

Sourcesinfo

Advisory: 661f723d39e03ca6eb05d7376a43ca33db478354
Status: Not defined

CVE: CVE-2018-19214 (🔍)
GCVE (CVE): GCVE-0-2018-19214
GCVE (VulDB): GCVE-100-126679
See also: 🔍

Entryinfo

Created: 11/13/2018 08:07
Updated: 06/05/2023 16:17
Changes: 11/13/2018 08:07 (58), 04/11/2020 18:22 (1), 06/05/2023 16:17 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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