CVE-2020-27795

HIGH

radare2 < 4.4.0 - Denial of Service via adf Command Null Pointer Dereference

Title source: llm
STIX 2.1

Description

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).

References (3)

Core 3
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/radareorg/radare2/issues/16215
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/radareorg/radare2/pull/16230

Scores

CVSS v3 7.5
EPSS 0.0112
EPSS Percentile 61.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-908
Status published
Products (1)
radare/radare2 < 4.4.0
Published Aug 19, 2022
Tracked Since Feb 18, 2026