CVE-2020-27795
High
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).
SeverityHigh
CVSS7.5
Exploit probability—
ProductRadare2
PublishedAug 19, 2022
First seenAug 19, 2022
Weakness typeCWE-908CWE-908
How to fix
Update
- radare radare24.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| radare radare2 | v < 4.4.0 | 4.4.0 |
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