#VU80515 Buffer overflow in Netconsd

Vulnerability identifier: #VU80515

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Netconsd
Universal components / Libraries / Libraries used by multiple products

Vendor: Facebook Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing text fragments within the ncrx_queue_payload() function in ncrx/libncrx.c. A remote attacker can send specially crafted messages to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Netconsd: 0.1 - 0.2

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External links
https://github.com/facebook/netconsd/commit/dc94f1468e21503c7f666c25649d6bee3d6d6524

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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.