vulnerability
Ubuntu: (CVE-2020-27795): radare2 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Aug 19, 2022 | Jun 26, 2025 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 19, 2022
Added
Jun 26, 2025
Modified
Aug 18, 2025
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).
Solution
no-fix-ubuntu-package
References
- CVE-2020-27795
- https://attackerkb.com/topics/CVE-2020-27795
- CWE-908
- URL-https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22
- URL-https://github.com/radareorg/radare2/issues/16215
- URL-https://github.com/radareorg/radare2/pull/16230
- URL-https://www.cve.org/CVERecord?id=CVE-2020-27795
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