VDB
CVE-2020-27795
CVE-2020-27795
PUBLISHED
CVSS 7.5 HIGH
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).
EPSS 1.51% · 74.3th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.51%
74.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | radare2 | 0.9.6-3.1ubuntu1, 0 |
| Ubuntu:Pro:20.04:LTS | radare2 | 3.2.1+dfsg-5build1, 4.2.1+dfsg-1, 4.2.1+dfsg-2 |
| Ubuntu:Pro:18.04:LTS | radare2 | 1.6.0+dfsg-1, 2.0.0+dfsg-1, 2.3.0+dfsg-1 |
Timeline
- Aug 19, 2022 CVE Published
- Aug 20, 2022 EPSS Score
- Oct 6, 2022 EPSS Score
- Nov 21, 2022 EPSS Score
- Jan 7, 2023 EPSS Score
- Feb 22, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 10, 2023 EPSS Score
- May 27, 2023 EPSS Score
- Aug 28, 2023 EPSS Score
- Oct 13, 2023 EPSS Score
- Nov 29, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27795 advisory
- https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 fix
- https://github.com/radareorg/radare2/issues/16215 discussion
- https://github.com/radareorg/radare2/pull/16230 fix
- https://www.cve.org/CVERecord?id=CVE-2020-27795 third-party-advisory