power_analysis

RSA에 대한 전력 분석 공격 색인 소개 전력 분석 공격 RSA: 간단한 소개 RSA 예제 장비 전력 측정: 간단한 소개 옴의 법칙 키르히호프의 전압 법칙 KVL 전압 분배기 션트 저항 전력 측정 예제 빠른 거듭제곱 Arduino Atmega328P에서의 빠른 거듭제곱 결과 결론 참고문헌 소개 최근에 저는 사람들이 Arduino를 위해 직접 암호화를 구현하는 것을 관찰했습니다. 예를 들어 stackoverflow의 이 주제에서 언급된 것과 같습니다:...

Astra Linux – Vulnerability in mbedtls

A issue was discovered in Arm Mbed TLS prior to version 2.23.0. Due to a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed...

TencentOS Server 3: python-pyasn1 (TSSA-2026:0990)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0990 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CVE-2026-47886 Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions

Applications that evaluate user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack when the power operator ^ is used with a BigDecimal or BigInteger operand and a large exponent value. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 -...

CVE-2026-47886

Applications that evaluate user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack when the power operator ^ is used with a BigDecimal or BigInteger operand and a large exponent value. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 -...

CVE-2026-47886 Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions

Applications that evaluate user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack when the power operator ^ is used with a BigDecimal or BigInteger operand and a large exponent value. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 -...

CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650 MTI/A0 DH agreement exponentiates unvalidated peer value

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-59650: Improper Input Validation

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

AZL-92436 CVE-2026-59886 affecting package python-pyasn1 for versions less than 0.4.8-3

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a very large exponent, causing float...

CVE-2026-59886 pyasn1: Uncontrolled resource consumption when converting decoded REAL values

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a very large exponent, causing float...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: s390/zcrypt: Fixed a memory leak when CCA cards are used as accelerators. Tests revealed that a memory leak occurs when CCA cards are used as accelerators for clear-key RSA requests ME and CRT. With the latest modifications to...

Malicious code in syntax-exponentiation-operator (npm)

The package 'syntax-exponentiation-operator' is part of the PhantomRaven supply chain attack campaign Wave 2. It uses a Remote Dynamic Dependency RDD technique: the published package appears benign but includes a URL-based dependency in package.json pointing to an attacker-controlled C2 server...

MAL-2026-1532 Malicious code in syntax-exponentiation-operator (npm)

The package 'syntax-exponentiation-operator' is part of the PhantomRaven supply chain attack campaign Wave 2. It uses a Remote Dynamic Dependency RDD technique: the published package appears benign but includes a URL-based dependency in package.json pointing to an attacker-controlled C2 server...

Malicious Package

Overview transform-exponentiation-operator is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and...

Malicious code in transform-exponentiation-operator (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d1b79481ce559cb600cfe4b2897847eb06d38b5cbe4ef456339cbbac7b240e60 The package transform-exponentiation-operator was found to contain malicious code. Source: ghsa-malware...

MAL-2026-665 Malicious code in transform-exponentiation-operator (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector d1b79481ce559cb600cfe4b2897847eb06d38b5cbe4ef456339cbbac7b240e60 The package transform-exponentiation-operator was found to contain malicious code. Source: ghsa-malware...

JLSEC-2025-204 An issue was discovered in Arm Mbed TLS before 2.23.0

An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed...

JLSEC-2025-221 Use of a Broken or Risky Cryptographic Algorithm in the function `mbedtls_mpi_exp_mod()` in lignum.c...

Use of a Broken or Risky Cryptographic Algorithm in the function mbedtlsmpiexpmod in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information typically an untrusted operating system attacking a...