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MitreCVE-2021-45429

HistoryFeb 04, 2022 - 7:15 p.m.

CVE-2021-45429

2022-02-0419:15:08

CWE-120

mitre

web.nvd.nist.gov

buffer overflow

virustotal

yara

cve-2021-45429

denial of service

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

18.0%

JSON

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.

Affected configurations

Nvd

Node

virustotalyaraRange4.2.0≥

VendorProductVersionCPE
virustotalyara*cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
virustotal	yara	*	cpe:2.3:a:virustotal:yara::::::::

References

github.com/VirusTotal/yara/issues/1616

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

18.0%

JSON

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