yasm 1.3.0 nasm-pp.c do_directive null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in yasm 1.3.0. This issue affects the function do_directive of the file modules/preprocs/nasm/nasm-pp.c. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2021-33455. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in yasm 1.3.0. This vulnerability affects the function do_directive of the file modules/preprocs/nasm/nasm-pp.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in do_directive() in modules/preprocs/nasm/nasm-pp.c.

The weakness was released 07/26/2022 as 169. The advisory is available at github.com. This vulnerability was named CVE-2021-33455 since 05/20/2021. 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Timelineinfo

05/20/2021 🔍
07/26/2022 +432 days 🔍
07/26/2022 +0 days 🔍
07/26/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: 169
Status: Confirmed

CVE: CVE-2021-33455 (🔍)
GCVE (CVE): GCVE-0-2021-33455
GCVE (VulDB): GCVE-100-205066

Entryinfo

Created: 07/26/2022 18:51
Changes: 07/26/2022 18:51 (39)
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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