UBUNTU-CVE-2020-26147
An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
57 explicit affected versions
1 explicit affected versions
191 explicit affected versions
67 explicit affected versions
27 explicit affected versions
47 explicit affected versions
20 explicit affected versions
77 explicit affected versions
1 explicit affected versions
23 explicit affected versions
69 explicit affected versions
1 explicit affected versions
1 explicit affected versions
19 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
29 explicit affected versions
37 explicit affected versions
29 explicit affected versions
22 explicit affected versions
10 explicit affected versions
135 explicit affected versions
14 explicit affected versions
68 explicit affected versions
44 explicit affected versions
1 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
61 explicit affected versions
1 explicit affected versions
32 explicit affected versions
33 explicit affected versions
10 explicit affected versions
46 explicit affected versions
11 explicit affected versions
69 explicit affected versions
1 explicit affected versions
29 explicit affected versions
2 explicit affected versions
64 explicit affected versions
25 explicit affected versions
1 explicit affected versions
9 explicit affected versions
23 explicit affected versions
1 explicit affected versions
1 explicit affected versions
26 explicit affected versions
1 explicit affected versions
19 explicit affected versions
1 explicit affected versions
20 explicit affected versions
1 explicit affected versions
23 explicit affected versions
9 explicit affected versions
18 explicit affected versions
44 explicit affected versions
16 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
112 explicit affected versions
19 explicit affected versions
47 explicit affected versions
3 explicit affected versions
77 explicit affected versions
54 explicit affected versions
1 explicit affected versions
13 explicit affected versions
45 explicit affected versions
19 explicit affected versions
43 explicit affected versions
1 explicit affected versions
90 explicit affected versions
92 explicit affected versions
12 explicit affected versions
22 explicit affected versions
4 explicit affected versions
9 explicit affected versions
1 explicit affected versions
1 explicit affected versions
50 explicit affected versions
6 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used.
05 / REFERENCES
Further evidence
- https://papers.mathyvanhoef.com/usenix2021.pdf
- https://ubuntu.com/security/CVE-2020-26147
- https://ubuntu.com/security/notices/USN-4997-1
- https://ubuntu.com/security/notices/USN-4997-2
- https://ubuntu.com/security/notices/USN-4999-1
- https://ubuntu.com/security/notices/USN-5000-1
- https://ubuntu.com/security/notices/USN-5000-2
- https://ubuntu.com/security/notices/USN-5001-1
- https://ubuntu.com/security/notices/USN-5018-1
- https://ubuntu.com/security/notices/USN-5299-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2020-26147