CVE-2023-5981

CVE-2023-5981 affects GnuTLS via timing side-channel in RSA-PSK ClientKeyExchange, potentially leaking data. Connected docs show affected gnutls versions before 3.7.11-1 (CBLMARINER: CVE-2023-5981 affecting package gnutls for versions less than 3.7.11-1) and note CVE-2024-0553 as an incomplete re...

CVE-2023-5981

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

CVE-2023-5981 Gnutls: timing side-channel in the rsa-psk authentication

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

CVE-2023-5981

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

CVE-2023-5981 Gnutls: timing side-channel in the rsa-psk authentication

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding...

Experts Uncover Passive Method to Extract Private RSA Keys from SSH Connections

A new study has demonstrated that it's possible for passive network attackers to obtain private RSA host keys from a vulnerable SSH server by observing when naturally occurring computational faults that occur while the connection is being established. The Secure Shell SSH protocol is a method for...

GnuTLS Security Vulnerabilities

GnuTLS is a free secure communication library for implementing SSL, TLS and DTLS protocols. A security vulnerability exists in GnuTLS version 3.6.7-4+deb10u11, which stems from a security flaw in the RSA-PSK ClientKeyExchange, where the response time to a misformatted ciphertext differs from the...

[SECURITY] [DLA 3660-1] gnutls28 security update

Debian LTS Advisory DLA-3660-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany November 22, 2023 https://wiki.debian.org/LTS Package : gnutls28 Version : 3.6.7-4+deb10u11 CVE ID : CVE-2023-5981 Debian Bug : 1056188 A vulnerability was found in GnuTLS, a secure...

RUSTSEC-2023-0071 Marvin Attack: potential key recovery through timing sidechannels

Impact Due to a non-constant-time implementation, information about the private key is leaked through timing information which is observable over the network. An attacker may be able to use that information to recover the key. Patches No patch is yet available. The crypto-bigint migration...

abacuz (0.1.1), acmer (>=0.0.1, <=0.0.4) +369 more potentially affected by CVE-2023-49092 via rsa (>=0.1.2, <=0.8.2)

rsa CARGO version =0.1.2, =0.0.1, =0.12.0, =0.5.0, =0.2.0, =0.1.0, =1.0.1, =0.1.0, =0.3.11, =0.2.0, =0.1.0, =0.2.0, =0.11.0, =0.16.0 and more Source cves: CVE-2023-49092 Source advisory: OSV:RUSTSEC-2023-0071...

LockBit Ransomware Exploiting Critical Citrix Bleed Vulnerability to Break In

Multiple threat actors, including LockBit ransomware affiliates, are actively exploiting a recently disclosed critical security flaw in Citrix NetScaler application delivery control ADC and Gateway appliances to obtain initial access to target environments. The joint advisory comes from the U.S...

USN-6499-1: GnuTLS vulnerability

It was discovered that GnuTLS had a timing side-channel when handling certain RSA-PSK key exchanges. A remote attacker could possibly use this issue to recover sensitive information...

Weak Encryption

upydev is vulnerable to Weak Encryption. The vulnerability is due to PKCS 1v1.5 padding used in the RSA algorithm. This could lead to a Bleichenbacher attack...

JSON Web Token (JWT) Algorithm Confusion

fast-jwt is vulnerable to JWT Algorithm Confusion. The vulnerability is caused by a missing validation on publicKeyPemMatcher constant defined in fast-jwt/src/crypto.js which is used to match all common PEM formats for public keys. An attacker can craft a malicious JWT token utilizing the HS256...

GHSA-C2FF-88X2-X9PG JWT Algorithm Confusion

Summary The fast-jwt library does not properly prevent JWT algorithm confusion for all public key types. Details The 'publicKeyPemMatcher' in 'fast-jwt/src/crypto.js' does not properly match all common PEM formats for public keys. To exploit this vulnerability, an attacker needs to craft a...

JWT Algorithm Confusion

Summary The fast-jwt library does not properly prevent JWT algorithm confusion for all public key types. Details The 'publicKeyPemMatcher' in 'fast-jwt/src/crypto.js' does not properly match all common PEM formats for public keys. To exploit this vulnerability, an attacker needs to craft a...

Type confusion

fast-jwt provides fast JSON Web Token JWT implementation. Prior to version 3.3.2, the fast-jwt library does not properly prevent JWT algorithm confusion for all public key types. The 'publicKeyPemMatcher' in 'fast-jwt/src/crypto.js' does not properly match all common PEM formats for public keys. ...

CVE-2023-48223 fast-jwt JWT Algorithm Confusion

fast-jwt provides fast JSON Web Token JWT implementation. Prior to version 3.3.2, the fast-jwt library does not properly prevent JWT algorithm confusion for all public key types. The 'publicKeyPemMatcher' in 'fast-jwt/src/crypto.js' does not properly match all common PEM formats for public keys. ...

CVE-2023-48223 fast-jwt JWT Algorithm Confusion

fast-jwt provides fast JSON Web Token JWT implementation. Prior to version 3.3.2, the fast-jwt library does not properly prevent JWT algorithm confusion for all public key types. The 'publicKeyPemMatcher' in 'fast-jwt/src/crypto.js' does not properly match all common PEM formats for public keys. ...

8Base Group Deploying New Phobos Ransomware Variant via SmokeLoader

The threat actors behind the 8Base ransomware are leveraging a variant of the Phobos ransomware to conduct their financially motivated attacks. The findings come from Cisco Talos, which has recorded an increase in activity carried out by the cybercriminals. "Most of the group's Phobos variants ar...