Vulnerability identifier: #VU26336
Vulnerability 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:
CWE-ID:
CWE-252
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libmicrodns
Web applications /
JS libraries
Vendor: Videolabs
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists within the label-parsing functionality due to the "rr_decode" function's return value is not checked when parsing compressed labels in mDNS messages. A remote attacker can send a specially crafted mDNS message and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
libmicrodns: 0.1.0
External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-0995
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.