PT-2022-8869 · Radare2+1 · Radare2+1

X0Urc3 · Published 2020-05-30 · Updated 2022-08-22 · CVE-2020-27795

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions radare2 (affected versions not specified)

Description A segmentation fault was discovered in radare2 when using the adf command with no or incorrect arguments. This issue arises from the anal fcn data function in libr/core/cmd anal.c, where r anal get fcn in returns a null pointer for fcn, leading to a segmentation fault later in ensure fcn range.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use of Uninitialized Resource

Weakness Enumeration

CWE-908

Related Identifiers

ALT-PU-2020-2049

CVE-2020-27795

Affected Products

Alt Linux

Radare2

References · 9

• 🔥 https://github.com/radareorg/radare2/issues/16215 · Exploit
• https://github.com/radareorg/radare2/pull/16230 · Patch
• https://github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 · Patch
• https://ubuntu.com/security/CVE-2020-27795 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-27795 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27795 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-27795 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-27795 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-27795 · Vendor Advisory