CVE-2020-27795

Public Exploit

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).

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a radare2
Published at:
Updated at:

References

Link Tags
https://github.com/radareorg/radare2/issues/16215 patch exploit third party advisory issue tracking
https://github.com/radareorg/radare2/pull/16230 patch third party advisory issue tracking
https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-27795?
CVE-2020-27795 has been scored as a high severity vulnerability.
How to fix CVE-2020-27795?
To fix CVE-2020-27795, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27795 being actively exploited in the wild?
It is possible that CVE-2020-27795 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27795?
CVE-2020-27795 affects n/a radare2.
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