CISA Releases Telework Essentials Toolkit

The Cybersecurity and Infrastructure Security Agency CISA has released the Telework Essentials Toolkit, a comprehensive resource of telework best practices. The Toolkit provides three personalized modules for executive leaders, IT professionals, and teleworkers. Each module outlines distinctive...

nss: ECDSA timing attack mitigation bypass

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...

nss: Out-of-bounds read when importing curve25519 private key

When importing a curve25519 private key in PKCS8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services NSS library. This could lead to information disclosure. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

nss: Side channel vulnerabilities during RSA key generation

A flaw was found in NSS, where it is vulnerable to RSA key generation cache timing side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. The highest threat to this flaw is to confidentiality...

nss: Use-after-free in sftk_FreeSession due to improper refcounting

A use-after-free flaw was found in Mozilla Network Security Services NSS related to PK11 session handling. An attacker could use this flaw to execute arbitrary code with the permissions of the user running the application compiled with NSS...

Moderate: Red Hat Security Advisory: nss and nspr security, bug fix, and enhancement update

An update for nss, nss-softokn, nss-util, and nspr is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state

A protocol downgrade flaw was found in Network Security Services NSS. After a HelloRetryRequest has been sent, the client may negotiate a lower protocol than TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data...

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...

CVE-2020-15595

CVE-2020-15595 affects Zoho Application Control Plus versions prior to 10.0.511. The issue lies in the Element Configuration feature, which can be abused to retrieve the full list of configured IP ranges and subnets, enabling an attacker to map the internal networks the product can reach. Impact ...

Hacking a Coffee Maker

As expected, IoT devices are filled with vulnerabilities: As a thought experiment, Martin Hron, a researcher at security company Avast, reverse engineered one of the older coffee makers to see what kinds of hacks he could do with it. After just a week of effort, the unqualified answer was: quite ...

Debian DLA-2376-1 : qtbase-opensource-src security update

Several vulnerabilities were fixed in the Qt toolkit. CVE-2018-19872 A malformed PPM image causes a crash. CVE-2020-17507 Buffer over-read in the XBM parser. For Debian 9 stretch, these problems have been fixed in version 5.7.1+dfsg-3+deb9u3. We recommend that you upgrade your qtbase-opensource-s...

EulerOS Virtualization for ARM 64 3.0.6.0 : python-rsa (EulerOS-SA-2020-2050)

According to the version of the python-rsa package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - Python-RSA before 4.1 ignores leading '\0' bytes during decryption of ciphertext. This could conceivably have a...

EulerOS Virtualization for ARM 64 3.0.6.0 : perl-Module-Load-Conditional (EulerOS-SA-2020-2013)

According to the version of the perl-Module-Load-Conditional package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - It was found that perl can load modules from the current directory if not found in the module...

EulerOS Virtualization for ARM 64 3.0.6.0 : httpd (EulerOS-SA-2020-2018)

According to the versions of the httpd packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Apache HTTP server 2.4.32 to 2.4.44 modproxyuwsgi info disclosure and possible RCECVE-2020-11984 - Apache HTTP Server...

EulerOS 2.0 SP8 : trousers (EulerOS-SA-2020-2160)

According to the versions of the trousers packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to...

Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2020-2063)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS 2.0 SP3 : numpy (EulerOS-SA-2020-2083)

According to the version of the numpy packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An issue was discovered in NumPy 1.16.0 and earlier. It uses the pickle Python module unsafely, which allows remote attackers to execute arbitrary...

EulerOS 2.0 SP3 : spamassassin (EulerOS-SA-2020-2118)

According to the version of the spamassassin package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.CVE-2018-11781 Note that Tenable Network Security has...

EulerOS 2.0 SP3 : git (EulerOS-SA-2020-2111)

According to the version of the git packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Affected versions of Git have a vulnerability whereby Git can be tricked into sending private credentials to a host controlled by an attacker. Git use...

EulerOS 2.0 SP3 : openssh (EulerOS-SA-2020-2112)

According to the version of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious...