Ubuntu 20.04 LTS / 22.04 LTS / 23.10 : GnuTLS vulnerabilities (USN-6733-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6733-1 advisory. It was discovered that GnuTLS had a timing side-channel when performing certain ECDSA operations. A remote attacker could possibly us...

Denial Of Service (DoS)

gnutls is vulnerable to Denial of ServiceDoS. The vulnerability is due to excessive resource consumption caused by the "certtool --verify-chain" command when verifying a specially crafted .pem bundle, leading to an application crash...

The vulnerability of the gnutls_x509_trust_list_verify_crt2() function in the GnuTLS security library allows a attacker to cause a service failure.

The vulnerability of the gnutlsx509trustlistverifycrt2 function in the GnuTLS security library is related to deficiencies in handling exceptional states during the analysis of the certlistsize parameter. Exploiting this vulnerability could allow an attacker to cause a service failure by sending a...

Fedora 38 : gnutls (2024-af55471f75)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-af55471f75 advisory. Rebase gnutls to version 3.8.4 - contains fixes for CVE-2024-28834 and CVE-2024-28835 Tenable has extracted the preceding description block directly...

Updated gnutls packages fix security vulnerabilities

The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLSPRIVKEYFLAGREPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits,...

AZL-37108 CVE-2024-28835 affecting package gnutls for versions less than 3.8.3-2

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

ALPINE-CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

DEBIAN-CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

UBUNTU-CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

CVE-2024-28835

CVE-2024-28835 and CVE-2024-28834 affect GnuTLS (gnutls library). CVE-2024-28835 can cause an application crash when verifying a specially crafted PEM bundle with certtool --verify-chain. CVE-2024-28834 describes a timing side-channel (Minerva) in certain ECDSA/nonces, potentially leaking informa...

CVE-2024-28835 Gnutls: potential crash during chain building/verification

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

CVE-2024-28835 Gnutls: potential crash during chain building/verification

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

SUSE CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

CVE-2024-28835: Uncaught Exception

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

GnuTLS 安全漏洞

GnuTLS is a free secure communications library for implementing the SSL, TLS and DTLS protocols. A security vulnerability exists in GnuTLS that stems from an attempt to validate a specially crafted pem package using the certtool --verify-chain command, which may cause the application to crash...

CVE-2024-28835

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the "certtool --verify-chain" command...

[slackware-security] gnutls

New gnutls packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/gnutls-3.8.4-i586-1slack15.0.txz: Upgraded. This update fixes two medium severity security issues: libgnutls: Fix side-channel in the...

PT-2024-2444

Name of the Vulnerable Software and Affected Versions GnuTLS versions prior to 3.8.3 Description A flaw in the GnuTLS library is related to shortcomings in handling exceptional states when analyzing the cert list size parameter in the gnutls x509 trust list verify crt2 function. This issue can be...

Improper Signature Validation

The GnuTLS library provides support for cryptographic algorithms and for protocols such as Transport Layer Security TLS. It was found that GnuTLS did not check activation and expiration dates of CA certificates. This could cause an application using GnuTLS to incorrectly accept a certificate as...