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Vulnerability Details :

CVE-2021-3502

Assigner-redhat

Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749

Published At-07 May, 2021 | 11:46

Updated At-03 Aug, 2024 | 16:53

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability.

EPSS History

Score

Latest Score

N/A

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N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:redhat

Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749

Published At:07 May, 2021 | 11:46

Updated At:03 Aug, 2024 | 16:53

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

n/a

Product

avahi

Versions

Affected

0.8-5

Problem Types

Type	CWE ID	Description
CWE	CWE-617	CWE-617->CWE-476

Type: CWE

CWE ID: CWE-617

Description: CWE-617->CWE-476

References

Hyperlink	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1946914	x_refsource_MISC
https://github.com/lathiat/avahi/issues/338	x_refsource_MISC

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1946914

Resource:

x_refsource_MISC

Hyperlink: https://github.com/lathiat/avahi/issues/338

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1946914	x_refsource_MISC x_transferred
https://github.com/lathiat/avahi/issues/338	x_refsource_MISC x_transferred

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1946914

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://github.com/lathiat/avahi/issues/338

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:secalert@redhat.com

Published At:07 May, 2021 | 12:15

Updated At:07 Nov, 2023 | 03:38

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary	2.0	2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P

Type: Primary

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 2.0

Base score: 2.1

Base severity: LOW

Vector:

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

CPE Matches

avahi>>avahi>>0.8-5

cpe:2.3:a:avahi:avahi:0.8-5:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-617	Primary	secalert@redhat.com

CWE ID: CWE-617

Type: Primary

Source: secalert@redhat.com

References

Hyperlink	Source	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1946914	secalert@redhat.com	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/lathiat/avahi/issues/338	secalert@redhat.com	Exploit Third Party Advisory

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1946914

Source: secalert@redhat.com

Resource:

Exploit

Issue Tracking

Patch

Third Party Advisory

Hyperlink: https://github.com/lathiat/avahi/issues/338

Source: secalert@redhat.com

Resource:

Exploit

Third Party Advisory

CVE-2021-3502

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Stakeholder-Specific Vulnerability Categorization (SSVC)

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