ΠΠΏΠΈΡΠ°Π½ΠΈΠ΅
A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello. https://doi.org/10.46586/tches.v2024.i1.457-500
| Π Π΅Π»ΠΈΠ· | Π‘ΡΠ°ΡΡΡ | ΠΡΠΈΠΌΠ΅ΡΠ°Π½ΠΈΠ΅ |
|---|---|---|
| devel | needs-triage | |
| esm-apps/bionic | needs-triage | |
| esm-apps/focal | needs-triage | |
| esm-apps/jammy | needs-triage | |
| esm-apps/noble | needs-triage | |
| esm-apps/xenial | needs-triage | |
| focal | ignored | end of standard support, was needs-triage |
| jammy | needs-triage | |
| noble | needs-triage | |
| oracular | ignored | end of life, was needs-triage |
ΠΠΎΠΊΠ°Π·ΡΠ²Π°ΡΡ ΠΏΠΎ
EPSS
5.3 Medium
CVSS3
Π‘Π²ΡΠ·Π°Π½Π½ΡΠ΅ ΡΡΠ·Π²ΠΈΠΌΠΎΡΡΠΈ
A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello. https://doi.org/10.46586/tches.v2024.i1.457-500
A malicious TLS1.2 server can force a TLS1.3 client with downgrade cap ...
A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello. https://doi.org/10.46586/tches.v2024.i1.457-500
Π£ΡΠ·Π²ΠΈΠΌΠΎΡΡΡ ΡΠ΅Π°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΏΡΠΎΡΠΎΠΊΠΎΠ»Π° TLS Π±ΠΈΠ±Π»ΠΈΠΎΡΠ΅ΠΊΠΈ SSL/TLS WolfSSL, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠ°Ρ Π½Π°ΡΡΡΠΈΡΠ΅Π»Ρ ΠΏΠΎΠ»ΡΡΠΈΡΡ Π½Π΅ΡΠ°Π½ΠΊΡΠΈΠΎΠ½ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΉ Π΄ΠΎΡΡΡΠΏ ΠΊ Π·Π°ΡΠΈΡΠ°Π΅ΠΌΠΎΠΉ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΈ
EPSS
5.3 Medium
CVSS3