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Infinite Loop in scapy

High severity GitHub Reviewed Published Jul 22, 2019 to the GitHub Advisory Database • Updated Oct 22, 2024

Package

pip scapy (pip)

Affected versions

>= 2.4-rc1, < 2.4.1

Patched versions

2.4.1

Description

scapy is affected by a Denial of Service vulnerability resulting in an infinite loop and resource consumption rendering the program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is over the network or in a pcap. both work.

References

Published by the National Vulnerability Database Jul 19, 2019
Reviewed Jul 22, 2019
Published to the GitHub Advisory Database Jul 22, 2019
Last updated Oct 22, 2024

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.982%
(84th percentile)

Weaknesses

CVE ID

CVE-2019-1010142

GHSA ID

GHSA-mpf2-q34c-fc6j

Source code

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