Digital-Signature-Forgery-Attack

In this article, we will look at the cryptographic attack of digital signature forgery Digital Signature Forgery Attack, its consequences pose a threat to the security of transactions in the Bitcoin network, since digital signatures confirm the ownership and authorization of cryptocurrency...

CVE-2022-21449

CVE-2022-21449 repo showcasing generation of a base64 signature for applications that are vulnerable to "psychic signatures in java", implemented in a nodejs environment 😅 Before running make sure to install the modified fork of elliptic from https://github.com/davwwwx/elliptic root@kitploit: $ n...

Astra Linux – Vulnerability in poppler, poppler-22

NSSCryptoSignBackend.cc in Poppler before version 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, which can lead to potential signature forgeries...

Astra Linux – Vulnerability in gnupg2

GnuPG versions up to 2.3.6 allow for signature forgery in unusual situations where an attacker possesses secret-key information from a victim’s keyring, and other constraints such as the use of GPGME are met. This can be achieved by injecting malicious data into the command line’s status line...

Johnny-You-Are-Fired

Johnny-You-Are-Fired Artefactos para la publicación USENIX | Artículo completo aquí Resumen OpenPGP y S/MIME son los dos estándares principales para cifrar y firmar digitalmente correos electrónicos. Se supone que las firmas digitales garantizan la autenticidad e integridad de los mensajes. En es...

CVE-2026-22001-SPHINCS-WOTS-Weak-Randomness-Forgeable-Signature

CVE-2026-22001 – Falsificación de Firmas por Aleatoriedad Débil en WOTS+ de SPHINCS+ Resumen Una implementación del esquema de firmas post-cuánticas SPHINCS+ utiliza un generador de números aleatorios defectuoso durante la generación de firmas WOTS+. El mismo nonce k se reutiliza en múltiples...

DEBIAN-CVE-2026-87733

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key...

CVE-2026-87733

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key...

CVE-2026-87733

mirage-crypto-ec for OCaml , versions before 2.2.0 , contains a flaw in the ECDSA functions {P256, P384, P521}.Dsa.pub_of_octets. The function accepts 0x00 —the encoding of the point at infinity —as a valid public key, allowing an attacker to forge ECDSA signatures without knowledge of the privat...

CVE-2026-87733

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key...

EUVD-2026-74619

An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of the point at infinity, as a public key. With that public key, signatures can be forged without a private key...

Linux Distros Unpatched Vulnerability : CVE-2026-87733

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the mirage-crypto-ec function before 2.2.0 for OCaml. The ECDSA functions P256,P384,P521.Dsa.pubofoctets accept 0x00, the encoding of...

CVE-2026-0265-check

Herramienta de Evaluación de Vulnerabilidad CVE-2026-0265 Determine de manera segura si un portal GlobalProtect de Palo Alto Networks PAN-OS es vulnerable a CVE-2026-0265 sin autenticar ninguna sesión ni modificar ningún estado. Descripción CVE-2026-0265 es una omisión de autenticación remota que...

CVE-2026-67276

RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can...

CVE-2026-67278

MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures during X.509 validation. Because its trust store includes a root CA with e=3 , an attacker who controls or redirects an outbound TLS connection can use the root's public certificate—without its private key—to forge a trusted intermedi...

EUVD-2026-72024

RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can...

CVE-2026-67276 SSH user impersonation possible in Mikrotik RouterOS

RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can...

Linux Distros Unpatched Vulnerability : CVE-2026-85393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS1 v1.5 signature verification. Attackers can embed...

UBUNTU-CVE-2026-85393

node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS1 v1.5 signature verification. Attackers can embed garbage bytes inside the DigestAlgorithm sequence to forge valid signatures for arbitrary messages using low-exponent RSA keys. This is an...

CVE-2026-79389

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the...