Command Injection in radare2 - CVE-2019-14745
Published: August 7, 2019 / Updated: August 3, 2020
Vulnerability identifier: #VU33002
CSH Severity: Low
CVSS v4.0: 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
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Radare
Affected software:
radare2
radare2
Detailed vulnerability 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.
How to mitigate CVE-2019-14745
Install update from vendor's website.
Sources
- 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/