867 matches found
USN-5168-4 nss regression
USN-5168-3 fixed a vulnerability in NSS. Unfortunately that update introduced a regression that could break SSL connections. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS...
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,...
USN-5168-1 nss vulnerability
Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code...
UBUNTU-CVE-2021-43527
NSS Network Security Services versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \7, or PKCS \12 are likely to be impacted. Applications using N...
Weak Password Vulnerability in Cyber-Sign's NetSign Digital Signature System
Ltd. is the earliest professional vendor engaged in the research, development and application of PKI technology in China. A weak password vulnerability exists in the NetSign digital signature system, which can be exploited by attackers to obtain sensitive information...
CVE-2021-43572
The verify function in the Stark Bank Python ECDSA library aka starkbank-escada or ecdsa-python before 2.0.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages...
thunderbird: Memory corruption when processing S/MIME messages
A flaw was found in Thunderbird, which is vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS...
thunderbird: Memory corruption when processing S/MIME messages
A flaw was found in Thunderbird, which is vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS...
Researchers Discover Microsoft-Signed FiveSys Rootkit in the Wild
A newly identified rootkit has been found with a valid digital signature issued by Microsoft that's used to proxy traffic to internet addresses of interest to the attackers for over a year targeting online gamers in China. Bucharest-headquartered cybersecurity technology company Bitdefender named...
Digital Signature Spoofing Flaws Uncovered in OpenOffice and LibreOffice
The maintainers of LibreOffice and OpenOffice have shipped security updates to their productivity software to remediate multiple vulnerabilities that could be weaponized by malicious actors to alter documents to make them appear as if they are digitally signed by a trusted source. The list of the...
Digital State IDs Start Rollouts Despite Privacy Concerns
Apple has unveiled the first eight states that will roll out digital IDs and drivers licenses on its mobile devices, despite critics’ concerns that the introduction of purely digital forms of identification will raise privacy, security and equanimity issues. Arizona and Georgia will be the first...
Security Bulletin: CVE-2020-2773 (deferred from Oracle Apr 2020 CPU)
Summary Two XML Digital Signature APIs implemented in the XMLDSigRI provider throw unexpected Exception types. An attacker could exploit this to inflict a DoS. The fix ensures that all Exceptions thrown from these APIs are wrapped in instances of javax.xml.crypto.MarshalException. Vulnerability...
File Upload Vulnerability in NetSign Signature Verification Server of Dongfang Tongweb Middleware of Beijing Xin'an Century Technology Co.
Ltd. provides signature verification server NetSign to provide digital signature services based on digital certificates for various types of electronic information data, electronic documents, etc., and verify the authenticity and validity of signatures on signed data; support user certificate...
Huawei EulerOS: Security Advisory for python-ecdsa (EulerOS-SA-2021-2161)
The remote host is missing an update for the Huawei EulerOS 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...
Mongolian Certificate Authority Hacked to Distribute Backdoored CA Software
In yet another instance of software supply chain attack, unidentified hackers breached the website of MonPass, one of Mongolia's major certificate authorities, to backdoor its installer software with Cobalt Strike binaries. The trojanized client was available for download between February 8, 2021...
nettle: Out of bounds memory access in signature verification
A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an...
Timing attack against DSA
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CVE-2021-33840
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service insertion of many fake records related to COVID-19 because Phone Number data lacks a digital signature...
CVE-2021-33840
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service insertion of many fake records related to COVID-19 because Phone Number data lacks a digital signature...
Design/Logic Flaw
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service insertion of many fake records related to COVID-19 because Phone Number data lacks a digital signature...