#VU32999 OS Command Injection in radare2 - CVE-2020-15121
Vulnerability identifier: #VU32999
Vulnerability risk: Medium
CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
radare2
Universal components / Libraries /
Software for developers
Vendor: Radare
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing PDB file names. A remote unauthenticated attacker can rick the victim to open a specially crafted file in radare2 and run idpd to trigger the download. Successful exploitation of the vulnerability may allow an attacker to execute arbitrary OS commands on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
radare2: 4.0.0 - 4.4.0
External links
https://github.com/radareorg/radare2/commit/04edfa82c1f3fa2bc3621ccdad2f93bdbf00e4f9
https://github.com/radareorg/radare2/issues/16945
https://github.com/radareorg/radare2/pull/16966
https://github.com/radareorg/radare2/security/advisories/GHSA-r552-vp94-9358
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
