CVE-2020-27795

Summary

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 Software

Weaknesses

• CWE-908: CWE-908 - Use of Uninitialized Resource

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/radareorg/radare2/issues/16215
• https://github.com/radareorg/radare2/pull/16230
• https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22

References

• https://github.com/radareorg/radare2/issues/16215
• https://github.com/radareorg/radare2/pull/16230
• https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22

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