Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-32494 CVE-2021-32495 |
CWE-ID | CWE-369 CWE-416 |
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 information about 2 vulnerabilities.
EUVDB-ID: #VU79758
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-32494
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a division by zero error within the rebase_buffer() function. A remote attacker can pass specially crafted data to the application and crash it.
Install update from vendor's website.
Vulnerable software versionsradare2: 4.0.0 - 5.2.1
External linkshttp://github.com/radareorg/radare2/issues/18667
http://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
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.
EUVDB-ID: #VU79757
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-32495
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the get_none_object() function in pyc parser. A remote attacker can pass specially crafted input to the application and execute arbitrary code.
Install updates from vendor's website.
Vulnerable software versionsradare2: 4.0.0 - 5.2.1
External linkshttp://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
http://github.com/radareorg/radare2/issues/18666
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.