A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

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Western Digital Sweet B 安全漏洞

Western Digital Sweet B is a library from Western Digital, Inc. that implements public-key elliptic curve cryptography ECC using NIST P-256 and SECG secp256k1 curves. A security vulnerability exists in the Western Digital Sweet B library, which could be exploited by an attacker to cause a limited...

Your Phone May Soon Replace Many of Your Passwords

Apple, Google and Microsoft announced this week they will soon support an approach to authentication that avoids passwords altogether, and instead requires users to merely unlock their smartphones to sign in to websites or online services. Experts say the changes should help defeat many types of...

CVE-2021-41993

A misconfiguration of RSA in PingID Android app prior to 1.19 is vulnerable to pre-computed dictionary attacks, leading to an offline MFA bypass when using PingID Windows Login...

Digital Bazaar Forge 数据伪造问题漏洞

Digital Bazaar Forge is a native implementation of Tls in Javascript and an open source tool for writing encryption-based and network-intensive Web applications from Digital Bazaar, Inc. A data forgery issue vulnerability exists in versions prior to Digital Bazaar Forge 1.3.0, which originated in...

Mozilla: Crash when handling empty pkcs7 sequence

The Mozilla Foundation Security Advisory describes this flaw as: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable...

CaptfEncoder - An Extensible Cross Platform Network Security Tool Suite

Captfencoder is an extensible cross platform network security tool suite, providing network security related code conversion, classical cryptography, cryptography, asymmetric encryption, special coding, miscellaneous tools, and aggregating all kinds of online tools. CaptfEncoder all functions...

python-cryptography: Bleichenbacher timing oracle attack against RSA decryption

A flaw was found in python-cryptography, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption API, to decrypt parts of the ciphertext encrypted with RSA. The highest threat from this vulnerability is to confidentiality...

The vulnerability of the `p11_rpc_buffer_get_byte_array` function in the library for working with PKCS P11-kit modules lies in the reading of data beyond the buffer’s allowed limits, allowing an attacker to access confidential data.

The vulnerability of the p11rpcbuffergetbytearray function in the library for working with PKCS P11-kit modules is related to reading data from the buffer beyond its allowable limits. Exploiting this vulnerability could allow an attacker to gain access to confidential data...

The vulnerability of the implementation of the PFX (PKCS#12 – Public-Key Cryptography Standards) cryptography technology in Microsoft Windows operating systems allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the PFX PKCS12 – Public-Key Cryptography Standards cryptographic technology implementation in Microsoft Windows operating systems is related to the lack of protection for confidential data. Exploiting this vulnerability can allow an attacker to gain unauthorized access to...

CVE-2020-20950

Bleichenbacher's attack on PKCS 1 v1.5 padding for RSA in Microchip Libraries for Applications 2018-11-26 All up to 2018-11-26. The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable...

golang: math/big: panic during recursive division of very large numbers

A flaw was found in the math/big package of Go's standard library that causes a denial of service. Applications written in Go that use math/big via cryptographic packages, including crypto/rsa and crypto/x509, are vulnerable and can potentially cause panic via a crafted certificate chain. The...

DEBIAN-CVE-2020-25657

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality...

openssl: Integer overflow in RSAZ modular exponentiation on x86_64

An integer overflow was found in the x6464 Montgomery squaring procedure used in exponentiation with 512-bit moduli. As per upstream: No EC algorithms are affected. Attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect would be very difficult to perform and are...

Zoom Rolls Out End-to-End Encryption After Setbacks

Video-conferencing giant Zoom is rolling out a technical preview of its end-to-end encryption E2EE next week. Zoom has faced various controversies around its encryption policies over the past year, including several lawsuits alleging that the company falsely told users that it offers full...

nss: PKCS#1 v1.5 signatures can be used for TLS 1.3

A vulnerability exists where it possible to force Network Security Services NSS to sign CertificateVerify with PKCS1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerabilit...

Survey of Supply Chain Attacks

The Atlantic Council has a released a report that looks at the history of computer supply chain attacks. Key trends from their summary: 1. Deep Impact from State Actors: There were at least 27 different state attacks against the software supply chain including from Russia, China, North Korea, and...

GHSA-XXXQ-CHMP-67G4 RSA PKCS#1 decryption vulnerability with prepending zeros in jsrsasign

Impact Jsrsasign supports RSA PKCS1 v1.5 i.e. RSAES-PKCS1-v15 and RSA-OAEP encryption and decryption. Its encrypted message is represented as BigInteger. When there is a valid encrypted message, a crafted message with prepending zeros can be decrypted by this vulnerability. - If you don't use RSA...

freerdp: Out-of-bounds write in crypto_rsa_common in libfreerdp/crypto/crypto.c

An issue was found in freerdp's libfreerdp/crypto/crypto.c, in versions before 2.1.1, where buffer access with an incorrect length value, leads to an out-of-bounds write. This flaw allows a remote, unauthenticated, attacker running an RDP server, or a local attacker, using a specially crafted...

CVE-2019-2056

There is a possible disclosure of RAM using a shared crypto key due to improperly used crypto. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-14087928...