CVE-2019-17133 Information

Description

In the Linux kernel through 5.3.2 cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE leading to a Buffer Overflow.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html https://access.redhat.com/errata/RHSA-2020:0174 https://access.redhat.com/errata/RHSA-2020:0374 https://access.redhat.com/errata/RHSA-2020:0375 https://access.redhat.com/errata/RHSA-2020:0543 https://access.redhat.com/errata/RHSA-2020:0592 https://access.redhat.com/errata/RHSA-2020:0609 https://access.redhat.com/errata/RHSA-2020:0653 https://access.redhat.com/errata/RHSA-2020:0661 https://access.redhat.com/errata/RHSA-2020:0664 https://access.redhat.com/errata/RHSA-2020:0790 https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html https://marc.info/?l=linux-wireless&m=157018270915487&w=2 https://seclists.org/bugtraq/2019/Nov/11 https://security.netapp.com/advisory/ntap-20191031-0005/ https://usn.ubuntu.com/4208-1/ https://usn.ubuntu.com/4210-1/ https://usn.ubuntu.com/4211-1/ https://usn.ubuntu.com/4211-2/ https://usn.ubuntu.com/4226-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8