#VU22312 Buffer overflow in Linux kernel - CVE-2019-17133

 

#VU22312 Buffer overflow in Linux kernel - CVE-2019-17133

Published: October 28, 2019 / Updated: March 23, 2020


Vulnerability identifier: #VU22312
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17133
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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

The vulnerability exists due to a boundary error within the cfg80211_mgd_wext_giwessid function in net/wireless/wext-sme.c in Linux kernel, because the affected component does not reject a long SSID IE. A remote attacker on the local wireless network can trigger memory corruption and execute arbitrary code on the target system.

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


Remediation

Install update from vendor's website.

External links