Huawei EulerOS: Security Advisory for nettle (EulerOS-SA-2021-2307)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

gh_finish_to_bv GOST Use-After-Free

The vulnerability of the ghfinishtobv function in the library, which performs security transformations using GOST algorithms, is related to the leakage of user passwords during the creation of a copy cx2 of the ghcontext structure. Exploiting this vulnerability allows an attacker to gain access t...

Advisory ROSA-SA-2021-1930

Software: nettle 2.7.1 OS: Cobalt 7.9 CVE-ID: CVE-2018-16869 CVE-Crit: MEDIUM. CVE-DESC: An oracle attack based on a Bleichenbacher-type side-channel was discovered in the way nettle handles the final transformation of PKCS 1 v1.5 data decrypted with RSA. An attacker who could run a process on th...

Updated nettle packages fix security vulnerabilities

Remote crash in RSA decryption via manipulated ciphertext CVE-2021-3580. A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with...

nettle: Out of bounds memory access in signature verification

A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an...

Adventures in Contacting the Russian FSB

KrebsOnSecurity recently had occasion to contact the Russian Federal Security Service FSB, the Russian equivalent of the U.S. Federal Bureau of Investigation FBI. In the process of doing so, I encountered a small snag: The FSBs website said in order to communicate with them securely, I needed to...

Important: nettle

Issue Overview: A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an...

nettle: Out of bounds memory access in signature verification

A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an...

Incorrect Signature Verification

nettle uses incorrect signature verification. Some flaws in Several Nettle signature verification functions GOST DSA, EDDSA & ECDSA allows an attacker to force an invalid signature, causing an assertion failure or possible validation...

CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

DEBIAN-CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

UBUNTU-CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

Design/Logic Flaw

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305

CVE-2021-20305 affects Nettle prior to 3.7.2 where signature verification (GOST DSA, EDDSA, ECDSA) calls ECC multiply with out-of-range scalars, potentially producing incorrect results and allowing an attacker to force an invalid signature (leading to assertion failure or validation issues). Docu...

CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305: Use of a Broken or Risky Cryptographic Algorithm

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305

A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an...

PT-2021-3125

Name of the Vulnerable Software and Affected Versions Nettle versions prior to 3.7.2 Description A flaw was found in the Nettle signature verification functions, including GOST DSA, EDDSA, and ECDSA, where the Elliptic Curve Cryptography point multiply function is called with out-of-range scalers...

libgost-astra DoS

The vulnerability of the libgost-astra library in the Astra Linux operating system is related to errors during the automatic configuration of the algorithms according to GOST standards. Exploiting this vulnerability can allow attackers to cause service failures...