Four High-Severity Chrome Vulnerabilities Earn Researcher $32K in Rewards

For the second time in less than a year, researcher Mariusz Mlynski has earned more than $30,000 through Google’s Chrome Rewards program. Google on Wednesday released Chrome 56.0.02924.76 for Windows, Mac and Linux platforms, and Mlynski was credited with finding and disclosing four high-severity...

On How Trump Will Affect Crypto and Security, SHA-1, WhatsApp, and More

Mike Mimoso, Tom Spring, and Chris Brook discuss security-wise what they hope will and won’t change under a Trump presidency, then discuss the news of the week, including SHA-1 deprecation, Carbanak’s return, and the WhatsApp “backdoor” debacle. Download: ThreatpostNewsWrapJanuary202017.mp3 Music...

SHA-1 End Times Have Arrived

For the past couple of years, browser makers have raced to migrate from SHA-1 to SHA-2 as researchers have intensified warnings about collision attacks moving from theoretical to practical. In just weeks, a transition deadline set by Google, Mozilla and Microsoft for the deprecation of SHA-1 is u...

CVE-2016-8741

The Apache Qpid Broker for Java can be configured to use different so called AuthenticationProviders to handle user authentication. Among the choices are the SCRAM-SHA-1 and SCRAM-SHA-256 AuthenticationProvider types. It was discovered that these AuthenticationProviders in Apache Qpid Broker for...

Information Leakage

qpid-broker-core is vulnerable to information leakage. It is possible for a remote attacker to determine the existence of user accounts due to a prematurely termination SCRAM SASL negotiation. This vulnerability only applies for applications using the SCRAM-SHA-1 or SCAM-SHA-256...

Apache Qpid Broker For Java 6.1.0 Information Leak Vulnerability

The Apache Qpid Broker for Java can be configured to use different so called AuthenticationProviders to handle user authentication. Among the choices are the SCRAM-SHA-1 and SCRAM-SHA-256 AuthenticationProvider types. It was discovered that these AuthenticationProviders prematurely terminate the...

sslscan - tests SSL/TLS enabled services to discover supported cipher suites

This is a fork of ioerror's version of sslscan the original readme of which is included below. Changes are as follows: Highlight SSLv2 and SSLv3 ciphers in output. Highlight CBC ciphers on SSLv3 POODLE. Highlight 3DES and RC4 ciphers in output. Highlight PFS+GCM ciphers as good in output. Highlig...

Gratipay: Certificate signed using SHA-1

Hello, I detected a certificate signed using SHA-1. SHA-1 is a hash algorithm used in digital signatures. It is currently considered deprecated due to the increasing feasibility in breaking it. Impact: Certificates can be forged by capable adversaries. Forged certificates can be used in MITM...

SSL Certificate Signed Using Weak Hashing Algorithm (Known CA)

The remote service uses a known CA certificate in the SSL certificate chain that has been signed using a cryptographically weak hashing algorithm e.g., MD2, MD4, MD5, or SHA1. These signature algorithms are known to be vulnerable to collision attacks CVE-2004-2761, for example. An attacker can...

SHA-1 ウェブサーバー証明書は警告！ウェブサイト管理者は影響の最終確認を

こんにちは、村木ゆりかです。 以前よりマイクロソフト セキュリティ アドバイザリ 2880823、そして、このブログでもご案内しているとおり、証明書に利用されているハッシュ アルゴリズム SHA-1 の安全性の低下に伴い、利用廃止が進められています。 マイクロソフトでは、2017 年 2 月 14 日 米国時間 2017 年中旬 2017 日 5 月 9 日 米国時間 より、SHA-1 の TLS サーバー証明書を利用するウェブサイトを、Microsoft Edge および Internet Explorer 11...

Microsoft Cutting Off SHA-1 Support in February for Edge, IE 11

Microsoft confirmed that Feb. 14, 2017 is the cutoff date for SHA-1 support in its Microsoft Edge and Internet Explorer 11 browsers. After that date, neither browser will immediately load sites still running SHA-1 certificates and users will be shown an invalid certificate warning. Users will als...

Google Removing SHA-1 Support in Chrome 56

The home stretch for SHA-1 deprecation is in full effect with Google on Wednesday announcing its final deprecation deadlines for the Chrome browser, and a cryptographic services provider warning that there’s still a long way to go to get sites off SHA-1 certificates. Google said it will remove it...

Planning for the End of 2016: A Leap Second and the End-of-Support for SHA-1 TLS Certificates

A leap second and the final end of browser support for SHA-1 TLS certificates will happen and can potentially break software systems and applications...

Google to Distrust WoSign, StartCom Certs in 2017

Google announced Monday that when it ships Chrome 56 in January 2017 the browser will distrust certificates issued by Chinese certificate authoritiesWoSign and StartCom that have made headlines over the past month. The move was somewhat expected after Mozilla announced last week the company would...

CVE-2005-4900

SHA-1 is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of SHA-1 in TLS 1.2. NOTE: this CVE exists to provide a common identifier for referencing this SHA-1 issue; the existence of an identifier is...

CVE-2005-4900

SHA-1 is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of SHA-1 in TLS 1.2. NOTE: this CVE exists to provide a common identifier for referencing this SHA-1 issue; the existence of an identifier is...

CVE-2005-4900

The CVE-2005-4900 entry notes that SHA-1 is not collision resistant, enabling context-dependent spoofing attacks, with examples related to TLS 1.2. The provided materials do not specify affected products, versions, root causes within a specific product, or remediations. The entry serves as a gene...

Apple To Block WoSign Intermediate Certificates

Apple weighed in on the ongoing WoSign fiasco over the weekend, saying it would soon distrust certificates issued by the Chinese Certificate Authority’s Free SSL Certificate G2 intermediate CA on macOS. Apple’s decision comes several days after Mozilla accused the CA of backdating SHA-1...

Mozilla Wants to Drop WoSign as Trusted CA

Mozilla has accused a Chinese Certificate Authority of back-dating SHA-1 certificates to get around restrictions barring deprecated certs from being trusted, and is ready to ban the CA for one year. The back-dating is just one of many violations derived after a lengthy investigation of WoSign and...

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...