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…

PriorityP336high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.17%

63.7th percentile

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).

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	radare2	< radare2 5.0.0+dfsg-1 (sid)	radare2 5.0.0+dfsg-1 (sid)
radare	radare2	< 4.4.0	4.4.0
radare	radare2	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian7.5HIGH

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