CVE-2020-27638

receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.debian.org/972521	Issue Tracking Third Party Advisory
https://fastd.readthedocs.io/en/stable/releases/v21.html	Broken Link Release Notes Third Party Advisory
https://github.com/NeoRaider/fastd/commit/737925113363b6130879729cdff9ccc46c33eaea	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00025.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2LNSF2LI4RQ7BVGHTJQUJWP7RVGHDTK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUZ3AGTAXH7OOP45F5WXBVRQ3IDWUR7M/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSMH65GHKHMJAK2VMPROIPIUS4IA63CW/

Configurations

Configuration 1 (hide)

cpe:2.3:a:fastd_project:fastd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:31:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

History

No history.

Information

Published : 2020-10-22 13:15

Updated : 2023-11-07 03:20

NVD link : CVE-2020-27638

Mitre link : CVE-2020-27638

CVE.ORG link : CVE-2020-27638

JSON object : View

Products Affected

debian

debian_linux

fastd_project

fastd

fedoraproject

fedora

CWE

CWE-617

Reachable Assertion

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