CVE-2020-12403

A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 which was not functioning correctly and strictly enforcing tag length. The highest threat from...

Ubuntu: Security Advisory (USN-4455-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : NSS vulnerabilities (USN-4455-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4455-1 advisory. It was discovered that NSS incorrectly handled certain signatures. An attacker could possibly use this issue to expose sensitive...

USN-4455-1: NSS vulnerabilities

It was discovered that NSS incorrectly handled certain signatures. An attacker could possibly use this issue to expose sensitive information. CVE-2020-12400, CVE-2020-12401, CVE-2020-6829...

ca-certificates bug fix and enhancement update

The ca-certificates package contains a set of Certificate Authority CA certificates chosen by the Mozilla Foundation for use with the Internet Public Key Infrastructure PKI. Bug Fixes and Enhancements: Annual AlmaLinux 8 ca-certificates update 2020 to nss 3.53 for Firefox 78 BZ1849732 circular...

Oracle Linux 8 : nss / and / nspr (ELSA-2020-3280)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3280 advisory. nspr 4.25.0-2 - Rebuild 4.25.0-1 - Update to NSPR 4.25 nss 3.53.1-11 - Fix issue with upgradedb where upgradedb expects standard to generate dbm...

Information Disclosure

NSS is vulnerable to information disclosure. Timing differences when performing DSA signatures could eventually leak private keys...

Denial Of Service (DoS)

nss is vulnerable to denial of service DoS. The vulnerability exists as the multi-part ChaCha20 was not strictly enforcing tag length...

Insecure Cryptography

nss is vulnerable to insecure cryptography. The vulnerability exists in the ecl.c file...

Information Disclosure

nss is vulnerable to information disclosure. An attacker is able to extract the position of zero and non-zero wNAF digits while nss-certutil tool performs scalar multiplication during the ECDSA signature generation when using the EM side-channel. With the partial information of the ECDSA nonce an...

NSA Releases Guidance on Limiting Location Data Exposure

The National Security Agency NSA has released an information sheet with guidance on how to limit location data exposure for National Security System NSS / Department of Defense DoD system users, as well as the general public. NSA outlines mobile device geolocation services and provides...

Side-Channel Attack

nss is vulnerable to side-channel attacks. An attacker is able to perform electromagnetic-based side channel attacks during RSA key generation to recover the secret primes...

Authorization Bypass

nss is vulnerable to authorization bypass. The vulnerability exists as TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state...

Denial Of Service (DoS)

nss is vulnerable to denial of service DoS. The vulnerability exists through the lack of input length checking for cryptographic primitives...

nss and nspr security, bug fix, and enhancement update

nspr 4.25.0-2 - Rebuild 4.25.0-1 - Update to NSPR 4.25 nss 3.53.1-11 - Fix issue with upgradedb where upgradedb expects standard to generate dbm databases, not sql databases default in RHEL8 3.53.1-10 - Disable dh timing test because it's unreliable on s390 3.53.1-9 - Explicitly enable...

Moderate: nss and nspr security, bug fix, and enhancement update

Network Security Services NSS is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Netscape Portable Runtime NSPR provides platform independence for non-GUI operating system facilities. The following packages have been upgrad...

nss and nspr security, bug fix, and enhancement update

An update is available for nspr. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Network Security Services NSS is a set of libraries designed to support the...

RHEL 8 : nss and nspr (RHSA-2020:3280)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3280 advisory. Network Security Services NSS is a set of libraries designed to support the cross-platform development of security-enabled client and server...

CVE-2020-12401

A flaw was found in nss. Using the EM side-channel, it is possible to extract the position of zero and non-zero wNAF digits while nss-certutil tool performs scalar multiplication during the ECDSA signature generation, leaking partial information about the ECDSA nonce. Given a small number of ECDS...

CVE-2020-12400

A side-channel flaw was found in NSS, in the way P-384 and P-521 curves are used in the generation of EDSA signatures, leaking partial information about the ECDSA nonce. Given a small number of ECDSA signatures, this information can be used to steal the private key. The highest threat from this...