CVE-2020-27795

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).

CVSS v3 7.5 HIGH

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

References

Link	Resource
https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22	Patch Third Party Advisory
https://github.com/radareorg/radare2/issues/16215	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/radareorg/radare2/pull/16230	Issue Tracking Patch Third Party Advisory
https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22	Patch Third Party Advisory
https://github.com/radareorg/radare2/issues/16215	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/radareorg/radare2/pull/16230	Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 - Patch, Third Party Advisory~~	() https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 - Patch, Third Party Advisory
References	~~() https://github.com/radareorg/radare2/issues/16215 - Exploit, Issue Tracking, Patch, Third Party Advisory~~	() https://github.com/radareorg/radare2/issues/16215 - Exploit, Issue Tracking, Patch, Third Party Advisory
References	~~() https://github.com/radareorg/radare2/pull/16230 - Issue Tracking, Patch, Third Party Advisory~~	() https://github.com/radareorg/radare2/pull/16230 - Issue Tracking, Patch, Third Party Advisory

Information

Published : 2022-08-19 23:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27795

Mitre link : CVE-2020-27795

CVE.ORG link : CVE-2020-27795

JSON object : View

Products Affected

radare

radare2

CWE

CWE-908

Use of Uninitialized Resource

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