CVE-2019-17133

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.09% Top 20%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html mailing list third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Nov/11 third party advisory mailing list
https://usn.ubuntu.com/4211-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4208-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4210-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4211-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4226-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2020:0174 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0374 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0375 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0543 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0592 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0609 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2020:0653 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0661 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0664 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0790 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20191031-0005/ third party advisory
https://marc.info/?l=linux-wireless&m=157018270915487&w=2 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-17133?
CVE-2019-17133 has been scored as a critical severity vulnerability.
How to fix CVE-2019-17133?
To fix CVE-2019-17133, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-17133 being actively exploited in the wild?
It is possible that CVE-2019-17133 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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