NASM 2.16rc0 nasmlib/alloc.c nasm_malloc memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.62

Summaryinfo

A vulnerability was found in NASM 2.16rc0. It has been classified as problematic. Affected by this issue is the function nasm_malloc in the library nasmlib/alloc.c. This manipulation causes memory leak. This vulnerability appears as CVE-2021-33452. There is no available exploit.

Detailsinfo

A vulnerability was found in NASM 2.16rc0 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is the function nasm_malloc in the library nasmlib/alloc.c. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_malloc() in nasmlib/alloc.c.

The weakness was presented 07/26/2022. It is possible to read the advisory at bugzilla.nasm.us. This vulnerability is known as CVE-2021-33452 since 05/20/2021. Technical details of the vulnerability 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.

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: 4.5
VulDB Meta Temp Score: 4.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 🔍
08/27/2022 +32 days 🔍

Sourcesinfo

Advisory: bugzilla.nasm.us
Status: Confirmed

CVE: CVE-2021-33452 (🔍)
GCVE (CVE): GCVE-0-2021-33452
GCVE (VulDB): GCVE-100-205063

Entryinfo

Created: 07/26/2022 18:50
Updated: 08/27/2022 11:35
Changes: 07/26/2022 18:50 (39), 08/27/2022 11:35 (11)
Complete: 🔍
Cache ID: 216::103

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