CVE-2021-33500

概要

参考情報

• docs.ssh-mitm.at/puttydos.html · Exploit
• ssh-mitm/ssh-mitm-plugins · Exploit
• chiark.greenend.org.uk/~sgtatham/putty/changes.html · Release Notes

putty のその他の脆弱性

• CVE-2026-48852低 3.7PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.
• CVE-2026-48851低 3.1PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy…
• CVE-2026-48850中 5.9PuTTY 0.72 before 0.84 has a double free in RSA KEX.
• CVE-2026-4115低 3.7A vulnerability was detected in PuTTY 0.83. Affected is the function eddsa_verify of the file crypto/ecc-ssh.c of the component Ed25519 Sign…
• CVE-2024-31497中 5.9In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret key via a qui…