CVE-2019-17133

Advisory lineage Upstream: 0 Downstream: 41
Modified
Published: 04 Oct 2019, 11:57
Last modified:05 Aug 2024, 01:33

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
1.56% LOW
2% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Oct 2019, 11:57
Published
Vulnerability first disclosed
05 Aug 2024, 01:33
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 1.56%• Percentile: 82%

Techniques & Countermeasures

  • CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

    The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 19.04

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    ≥ 2.6.32, < 3.16.77 | ≥ 3.17, < 4.4.198 | ≥ 4.5, < 4.9.198 | ≥ 4.10, < 4.14.151 | ≥ 4.15, < 4.19.81 | ≥ 4.20, < 5.3.8

  • opensuse•leap

    15.1

References (24)