CVE-2020-27795

Published: 19 August 2022

A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
radare2 Launchpad, Ubuntu, Debian	bionic	Needed
	focal	Needed
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Ignored (end of life, was needs-triage)
	mantic	Not vulnerable (5.5.0+dfsg-1ubuntu1)
	trusty	Ignored (end of standard support)
	upstream	Released (5.0.0+dfsg-1)
	xenial	Needed

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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