Input validation error in Radare radare2



Published: 2020-08-03 | Updated: 2020-08-08
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16269
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		radare2
Universal components / Libraries / Software for developers

Vendor Radare

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU34123

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-16269

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

radare2 4.5.0 misparses DWARF information in executable files, causing a segmentation fault in parse_typedef in type_dwarf.c via a malformed DW_AT_name in the .debug_info section.

Mitigation

Install update from vendor's website.

Vulnerable software versions

radare2: 4.5.0

External links

http://github.com/radareorg/radare2/issues/17383


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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