OS Command Injection in radare2 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15121
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 radare2 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU32999

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: CVE-2020-15121

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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 update from vendor's website.

Vulnerable software versions

radare2 (Alpine package): 4.2.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=1081848454572106d5876992a6fef017d5a30c3f


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.



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