UBUNTU-CVE-2019-5108
An exploitable denial-of-service vulnerability exists in the Linux kernel prior to mainline 5.3. An attacker could exploit this vulnerability by triggering AP to send IAPP location updates for stations before the required authentication process has completed. This could lead to different denial-of-service scenarios, either by causing CAM table attacks, or by leading to traffic flapping if faking already existing clients in other nearby APs of the same wireless infrastructure. An attacker can forge Authentication and Association Request packets to trigger this vulnerability.
02 / AFFECTED SOFTWARE
Affected packages
63 explicit affected versions
21 explicit affected versions
41 explicit affected versions
26 explicit affected versions
39 explicit affected versions
43 explicit affected versions
105 explicit affected versions
51 explicit affected versions
74 explicit affected versions
33 explicit affected versions
4 explicit affected versions
13 explicit affected versions
191 explicit affected versions
38 explicit affected versions
19 explicit affected versions
1 explicit affected versions
44 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
4 explicit affected versions
12 explicit affected versions
1 explicit affected versions
42 explicit affected versions
11 explicit affected versions
5 explicit affected versions
19 explicit affected versions
41 explicit affected versions
18 explicit affected versions
36 explicit affected versions
1 explicit affected versions
15 explicit affected versions
23 explicit affected versions
11 explicit affected versions
76 explicit affected versions
2 explicit affected versions
52 explicit affected versions
1 explicit affected versions
1 explicit affected versions
35 explicit affected versions
83 explicit affected versions
65 explicit affected versions
18 explicit affected versions
29 explicit affected versions
20 explicit affected versions
12 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An exploitable denial-of-service vulnerability exists in the Linux kernel prior to mainline 5.3. An attacker could exploit this vulnerability by triggering AP to send IAPP location updates for stations before the required authentication process has completed. This could lead to different denial-of-service scenarios, either by causing CAM table attacks, or by leading to traffic flapping if faking already existing clients in other nearby APs of the same wireless infrastructure. An attacker can forge Authentication and Association Request packets to trigger this vulnerability.
05 / REFERENCES
Further evidence
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0900
- https://ubuntu.com/security/CVE-2019-5108
- https://ubuntu.com/security/notices/USN-4285-1
- https://ubuntu.com/security/notices/USN-4286-1
- https://ubuntu.com/security/notices/USN-4286-2
- https://ubuntu.com/security/notices/USN-4287-1
- https://ubuntu.com/security/notices/USN-4287-2
- https://www.cve.org/CVERecord?id=CVE-2019-5108