CVE-2019-17133

high-risk

Published 2019-10-04

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.

Do I need to act?

1.6% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (7)

Linux Kernel

Debian Linux

Ubuntu Linux

Leap

Affected Vendors

Debian Linux Canonical Opensuse

References (48)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html

Third Party Advisory http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackwar...

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0174

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0374

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0375

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0543

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0592

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0609

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0653

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0661

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0664

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0790

Mailing List https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html

Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

Mailing List https://marc.info/?l=linux-wireless&m=157018270915487&w=2

Mailing List https://seclists.org/bugtraq/2019/Nov/11

Third Party Advisory https://security.netapp.com/advisory/ntap-20191031-0005/

Third Party Advisory https://usn.ubuntu.com/4208-1/

Third Party Advisory https://usn.ubuntu.com/4210-1/

and 28 more references

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high-risk

Severity 32/34 · Critical

Exploitability 4/34 · Minimal

Exposure 14/34 · Moderate