Against DeviceGuard: in-depth analysis of the CVE-2017-0007-vulnerability warning-the black bar safety net

Over the past few months, I'm happy and Matt Graeber and Casey Smith together with the study Device Guard user-mode integrity UMCI around it. If you are not familiar with Device Guard, you can read: https://technet.microsoft.com/en-us/itpro/windows/keep-secure/device-guard-deployment-guide the. I...

Input validation

F-Secure Software Updater 2.20, as distributed in several F-Secure products, downloads installation packages over plain http and does not perform file integrity validation after download. Man-in-the-middle attackers can replace the file with their own executable which will be executed under the...

CVE-2017-6466

F-Secure Software Updater 2.20, as distributed in several F-Secure products, downloads installation packages over plain http and does not perform file integrity validation after download. Man-in-the-middle attackers can replace the file with their own executable which will be executed under the...

OpenJDK: DSA implementation timing attack (Libraries, 8168728)

A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker could possibly use this flaw to extract certain information about the used key via a timing side channel...

OpenJDK: DSA implementation timing attack (Libraries, 8168728)

A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker could possibly use this flaw to extract certain information about the used key via a timing side channel...

First Practical SHA-1 Collision Attack Arrives

Researchers unveiled on Thursday the first practical collision attack for the 22-year old cryptographic hash function SHA-1. While long expected, news of the attack, dubbed ‘SHAttered,’ should further accelerate the urgency of sunsetting of the maligned algorithm. Researchers from Google, Elie...

Opera installer mistakenly marked as malicious

Security Opera installer mistakenly marked as malicious Share February 22nd, 2017 During the past few days some of our users have contacted us raising the concern that the Qihoo 360 Total Security anti-virus software has been labelling the Opera installer executable for Windows as some form of...

OpenJDK: DSA implementation timing attack (Libraries, 8168728)

A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker could possibly use this flaw to extract certain information about the used key via a timing side channel...

Viscosity For Windows 1.6.7 Privilege Escalation

Viscosity for Windows 1.6.7 Privilege Escalation 30 Jan 2017 Homepage: https://www.sparklabs.com/ Description: ViscosityService runs as SYSTEM process. wmic service where name="ViscosityService" get StartName StartName LocalSystem Viscosity.exe contacts with service using named pipe. Only files...

openssl: Non-constant time codepath followed for certain operations in DSA implementation

It was discovered that OpenSSL did not always use constant time operations when computing Digital Signature Algorithm DSA signatures. A local attacker could possibly use this flaw to obtain a private DSA key belonging to another user or service running on the same system...

OpenJDK: DSA implementation timing attack (Libraries, 8168728)

A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker could possibly use this flaw to extract certain information about the used key via a timing side channel...

OpenJDK: DSA implementation timing attack (Libraries, 8168728)

A covert timing channel flaw was found in the DSA implementation in the Libraries component of OpenJDK. A remote attacker could possibly use this flaw to extract certain information about the used key via a timing side channel...

MS11-073: Description of the security update for Office 2010: September 13, 2011

MS11-073: Description of the security update for Office 2010: September 13, 2011 Introduction Microsoft has released security bulletin MS11-073. To view the complete security bulletin, visit one of the following Microsoft websites: Home users:...

MS14-036: Description of the security update for Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, and Windows Server 2003: June 10, 2014

MS14-036: Description of the security update for Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, and Windows Server 2003: June 10, 2014 Introduction This security update resolves vulnerabilities in Windows, Microsoft Office, and Microsoft Lync that could allow remote code...

openssl: Non-constant time codepath followed for certain operations in DSA implementation

It was discovered that OpenSSL did not always use constant time operations when computing Digital Signature Algorithm DSA signatures. A local attacker could possibly use this flaw to obtain a private DSA key belonging to another user or service running on the same system...

OpenSSL: Double-free in DSA code

A double-free flaw was found in the way OpenSSL parsed certain malformed DSA Digital Signature Algorithm private keys. An attacker could create specially crafted DSA private keys that, when processed by an application compiled against OpenSSL, could cause the application to crash...

FreeBSD : cryptopp -- multiple vulnerabilities (eab68cff-bc0c-11e6-b2ca-001b3856973b)

Multiple sources report : CVE-2015-2141: The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack...

openssl: Non-constant time codepath followed for certain operations in DSA implementation

It was discovered that OpenSSL did not always use constant time operations when computing Digital Signature Algorithm DSA signatures. A local attacker could possibly use this flaw to obtain a private DSA key belonging to another user or service running on the same system...

BlackHat issues resolved: Windows programs digital signature verification“vulnerability”-vulnerability warning-the black bar safety net

In this year's black hat conference, foreign a security researcher shows how by the Windows digital signature bypass for malicious code detection. Download the General Assembly of the presentation of the ppt probably looked at it, the report is divided into two parts, the first part shows the...

Windows programs digital signature verification bypass vulnerability-vulnerability warning-the black bar safety net

! In this year's black hat conference, foreign a security researcher shows how by the Windows digital signature bypass for malicious code detection. Download the General Assembly of the presentation of the ppt probably looked at it, the report is divided into two parts, the first part shows the...