CVE Vulnerabilities

CVE-2020-27795

Use of Uninitialized Resource

Published: Aug 19, 2022 | Modified: Aug 22, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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).

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

Name Vendor Start Version End Version
Radare2 Radare * 4.4.0 (excluding)

Potential Mitigations

References