yasm 1.3.0 nasm-pp.c find_cc 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 marked as problematic has been reported in yasm 1.3.0. The impacted element is the function find_cc of the file modules/preprocs/nasm/nasm-pp.c. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2021-33458. There is no exploit available.

Detailsinfo

A vulnerability has been found in yasm 1.3.0 and classified as problematic. Affected by this vulnerability is the function find_cc 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. The summary by CVE is:

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

The weakness was shared 07/26/2022 as 170. The advisory is shared at github.com. This vulnerability is known as CVE-2021-33458 since 05/20/2021. Technical details are known, but no exploit is available.

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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

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: 170
Status: Confirmed

CVE: CVE-2021-33458 (🔍)
GCVE (CVE): GCVE-0-2021-33458
GCVE (VulDB): GCVE-100-205069

Entryinfo

Created: 07/26/2022 18:53
Changes: 07/26/2022 18:53 (39)
Complete: 🔍
Cache ID: 216::103

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