ALT-PU-2020-2049-1
Closed vulnerabilities
Published: 2022-08-20
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-27793
An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2022-08-20
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-27794
A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
Severity: CRITICAL (9.1)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
References:
Published: 2022-08-20
Modified: 2024-11-21
Modified: 2024-11-21
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, 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).
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
- https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22
- https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22
- https://github.com/radareorg/radare2/issues/16215
- https://github.com/radareorg/radare2/issues/16215
- https://github.com/radareorg/radare2/pull/16230
- https://github.com/radareorg/radare2/pull/16230