Integer overflow in MediaTek-Labs LinkIt SDK
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-30636 |
| CWE-ID | CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
LinkIt SDK Universal components / Libraries / Software for developers |
| Vendor |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Integer overflow
EUVDB-ID: #VU52780
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-30636
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in memory allocation calls pvPortCalloc(calloc) and pvPortRealloc(realloc). A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsLinkIt SDK: before 4.6.1
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-21-119-04
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.
