bouncycastle: Timing issue within the EC math library

A flaw was found in bouncycastle. A timing issue within the EC math library can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures...

openSUSE 15 Security Update : libreoffice (openSUSE-SU-2022:0886-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2022:0886-1 advisory. - LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document...

Ubuntu: Security Advisory (USN-5330-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

USN-5330-1 libreoffice vulnerability

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

USN-5330-1: LibreOffice vulnerability

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

Ubuntu 18.04 LTS / 20.04 LTS : LibreOffice vulnerability (USN-5330-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5330-1 advisory. It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted...

CVE-2021-25636

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

CVE-2021-25636

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

CVE-2021-25636

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

UBUNTU-CVE-2021-25636

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

Input validation

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

CVE-2021-25636 Incorrect trust validation of signature with ambiguous KeyInfo children

LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to...

CVE-2021-25636

CVE-2021-25636 affects The Document Foundation LibreOffice 7.2.x prior to 7.2.5. The issue arises from an Improper Certificate Validation in which a document can be crafted so that the signature verification process uses KeyValue data while reporting a mismatch with X509Data, undermining trust in...

Mageia: Security Advisory (MGASA-2021-0471)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

The vulnerability of the LibreOffice office software package, related to errors in the certificate validation process, allows a perpetrator to create ODF documents with a digital signature.

The vulnerability of the LibreOffice office software package is related to errors in the authentication process for certificates. Exploiting this vulnerability could allow a malicious actor to create ODF documents with digital signatures...

What is a Supply Chain Attack ❓

Presentation The Kaseya cyberattack disturbed more than 1,000 organizations over the Fourth of July weekend and may end up being perhaps the greatest hack ever. It’s additionally a typical case of an “Supply Chain” hack: a sort of cyberattack where hoodlums target programming merchants or IT...

nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)

A remote code execution flaw was found in the way NSS verifies certificates. This flaw allows an attacker posing as an SSL/TLS server to trigger this issue in a client application compiled with NSS when it tries to initiate an SSL/TLS connection. Similarly, a server application compiled with NSS,...

Ubuntu: Security Advisory (USN-5153-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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 20.04 LTS : LibreOffice vulnerabilities (USN-5153-1)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5153-1 advisory. It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted docume...

USN-5153-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...