perM 0.4.0 strncpy buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in perM 0.4.0 and classified as critical. This affects the function strncpy. The manipulation results in buffer overflow. This vulnerability is known as CVE-2021-38172. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in perM 0.4.0. Affected is the function strncpy. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/06/2022 as 993019. The advisory is shared for download at bugs.debian.org. This vulnerability is traded as CVE-2021-38172 since 08/07/2021. There are known technical details, but no exploit is available.

Upgrading to version 0.4.0-7 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: perM 0.4.0-7

Timelineinfo

08/07/2021 🔍
02/06/2022 +183 days 🔍
02/06/2022 +0 days 🔍
02/11/2022 +5 days 🔍

Sourcesinfo

Advisory: 993019
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-38172 (🔍)
GCVE (CVE): GCVE-0-2021-38172
GCVE (VulDB): GCVE-100-192420

Entryinfo

Created: 02/06/2022 08:17
Updated: 02/11/2022 10:00
Changes: 02/06/2022 08:17 (39), 02/11/2022 10:00 (2)
Complete: 🔍
Cache ID: 216::103

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