Heap-based buffer overflow in Linux kernel

1) Heap-based buffer overflow

EUVDB-ID: #VU20810

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-10126

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) condition or execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the Marvell Wireless LAN device driver in "mwifiex_uap_parse_tail_ies" function in "drivers/net/wireless/marvell/mwifiex/ie.c". A local authenticated user can trigger heap-based buffer overflow and cause a denial of service (system crash) or possibly execute arbitrary code on the target system.

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

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Linux kernel: 3.2 - 5.1.5

External links

http://www.securityfocus.com/bid/108817
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10126
http://lists.debian.org/debian-lts-announce/2019/06/msg00010.html
http://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
http://seclists.org/bugtraq/2019/Jun/26
http://www.debian.org/security/2019/dsa-4465

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.