Command Injection in Radare radare2



| Updated: 2020-08-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-14745
CWE-ID CWE-77
Exploitation vector Local
Public exploit N/A
Vulnerable software
 radare2
Universal components / Libraries / Software for developers

Vendor Radare

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Command Injection

EUVDB-ID: #VU33002

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14745

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

In radare2 before 3.7.0, a command injection vulnerability exists in bin_symbols() in libr/core/cbin.c. By using a crafted executable file, it's possible to execute arbitrary shell commands with the permissions of the victim. This vulnerability is due to improper handling of symbol names embedded in executables.

Mitigation

Install update from vendor's website.

Vulnerable software versions

radare2: 3.0.0 - 3.6.0

CPE2.3 External links

https://bananamafia.dev/post/r2-pwndebian/
https://github.com/radare/radare2/pull/14690
https://github.com/radare/radare2/releases/tag/3.7.0
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETWG4VKHWL5F74L3QBBKSCOXHSRNSRRT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MGA2PVBFA6VPWWLMBGWVBESHAJBQ7OXJ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQO7V37RGQEKZDLY2JYKDZTLNN2YUBC5/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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