Remote code execution in Linux kernel



| Updated: 2020-01-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-14901
CWE-ID CWE-787
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU24684

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14901

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Marvell WiFi chip driver within the "mwifiex_process_tdls_action_frame()" function in "marvell/mwifiex/tdls.c". A remote attacker on the local network can send a specially crafted network traffic, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 3.0 - 4.17

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14901
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D4ISVNIC44SOGXTUBCIZFSUNQJ5LRKNZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MN6MLCN7G7VFTSXSZYXKXEFCUMFBUAXQ/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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