CurveBall

CurveBall CVE-2020-0601 - PoC CVE-2020-0601: Conosciuto anche come CurveBall o ChainOffFools, è una vulnerabilità nella Microsoft CryptoApi specificamente in Crypt32.dll in cui le firme a curva ellittica ECDSA dei certificati non vengono verificate correttamente. C'è un ottimo articolo sul blog q...

CVE-2022-21449-vuln-test

CVE-2022-21449-Schwachstellentester Einführung Es gibt eine neue CVE-2022-21449, die einen Fehler in der ECDSA-Signaturprüfung hatte. Es ist zum Beispiel einer der Algorithmen, die mit JWT verwendet werden. Zitat aus dem Blogbeitrag: Wenn Sie Java 15, Java 16, Java 17 oder Java 18 in der Produkti...

Updated putty packages fix security vulnerabilities

ECDSA signature verification can be made to fail an assertion. Server can provoke a double free in RSA KEX code. Telnet session data is marked with trust sigils after authenticating to a proxy. PuTTY Ed25519 Signature ecc-ssh.c eddsaverify signature verification. CVE-2026-4115...

SUSE CVE-2026-48852

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification...

CVE-2026-44900

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted, the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify. The method performs certificate chain...

Linux Distros Unpatched Vulnerability : CVE-2026-48852

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification. CVE-2026-48852 Note that Nessus relies on the presence of the package as report...

DEBIAN-CVE-2026-48852

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification...

CVE-2026-48852

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification...

CVE-2026-48852

PuTTY 0.71 before 0.84 is affected by an assertion failure in ECDSA signature verification (CVE-2026-48852). The public data specifies affected version range and impact but provides no remediation details in the documents. The CVSS v3.1 vector yields a LOW overall impact (availability loss) with ...

putty -- multiple security vulnerabilities

Simon Tatham reports: These features are new in PuTTY 0.84: Security issue: fixed a remotely triggerable double-free in RSA key exchange. We don't know of any way it is exploitable to execute code. Minor security issue: fixed a remotely triggerable crash in NIST ECDSA signature verification. An...

Linux Distros Unpatched Vulnerability : CVE-2026-5194

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant ke...

UBUNTU-CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

The CVE-2026-5194 issue concerns wolfSSL’s ECDSA certificate verification: missing hash/digest size and OID checks may allow digests smaller than allowed for the given key type to pass verification when EdDSA or ML-DSA is enabled. This could reduce security of ECDSA certificate-based authenticati...

MiracleLinux 8 : bind-9.11.36-3.el8.1 (AXSA:2022-3874:03)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-3874:03 advisory. bind: memory leak in ECDSA DNSSEC verification code CVE-2022-38177 bind: memory leaks in EdDSA DNSSEC verification code CVE-2022-38178 Tenable has...

EUVD-2017-9281

Malware in sbrugna...

SUSE CVE-2024-48948

The Elliptic package 6.5.7 for Node.js, in its for ECDSA implementation, does not correctly verify valid signatures if the hash contains at least four leading 0 bytes and when the order of the elliptic curve's base point is smaller than the hash, because of an truncateToN anomaly. This leads to...

UBUNTU-CVE-2024-48948

The Elliptic package 6.5.7 for Node.js, in its for ECDSA implementation, does not correctly verify valid signatures if the hash contains at least four leading 0 bytes and when the order of the elliptic curve's base point is smaller than the hash, because of an truncateToN anomaly. This leads to...

The vulnerability of the wc_ecc_sign_hash() function in the SSL/TLS library WolfSSL, which allows a hacker to gain unauthorized access to protected information

The vulnerability of the wceccsignhash function in the SSL/TLS library WolfSSL is related to improper verification of the ECDSA cryptographic signature during the processing of elliptical curve values. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected...

The vulnerability of the WOLFSSL_CHECKSIG_FAULTS configuration in the SSL/TLS WolfSSL library allows a perpetrator to gain unauthorized access to protected information. [source-iocs-preserved const=WOLFSSL_CHECK_SIG_FAULTS]

The vulnerability of the WOLFSSLCHECKSIGFAULTS configuration in the SSL/TLS library WolfSSL is related to improper verification of the ECDSA cryptographic signature. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information by performing a Rowhammer...

gnark's range checker gadget allows wider inputs up to word alignment

Impact gnark provides a gadget in the standard library to allow optimized checking of the bitwidth of the inputs. The gadget works by constructing a fixed lookup table containing all valid entries, partitioning the input and checking that all parts are inside the lookup table. The range checker...