#ssl

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHE_EXPORT and then rewriting a ServerHello with DHE_EXPORT replaced by DHE, aka the "Logjam" issue.

Unspecified vulnerability in Oracle MySQL Server 5.5.42 and earlier, and 5.6.23 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server : Compiling.

Unspecified vulnerability in Oracle Java SE 5.0u81, 6u91, 7u76, and 8u40 allows remote attackers to affect integrity and availability via unknown vectors related to Tools.

Today, as part of Update Tuesday, we released 11 security bulletins. We encourage customers to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI), visit the Microsoft Bulletin Summary webpage. If you are not familiar with how we calculate the XI, a full description can be found here.

The failover ipsec implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1 before 9.1(6), 9.2 before 9.2(3.3), and 9.3 before 9.3(3) does not properly validate failover communication messages, which allows remote attackers to reconfigure an ASA device, and consequently obtain administrative control, by sending crafted UDP packets over the local network to the failover interface, aka Bug ID CSCur21069.

The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic that occasionally relies on keys affected by the Invariance Weakness, and then using a brute-force approach involving LSB values, aka the "Bar Mitzvah" issue.

Today, we released Security Advisory 3046015 to provide guidance to customers in response to the SSL/TLS issue referred to by researchers as “FREAK” (Factoring attack on RSA-EXPORT Keys). Our investigation continues and we’ll take the necessary steps to protect our customers. MSRC Team

Today, as part of Update Tuesday, we released nine security bulletins– three rated Critical and six rated Important in severity, to address 56 unique Common Vulnerabilities and Exposures (CVEs) in Microsoft Windows, Microsoft Office, Internet Explorer, and Microsoft Server software. We encourage you to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploitability Index (XI) broken down by each CVE, visit the Microsoft Bulletin Summary webpage.

Unspecified vulnerability in Oracle MySQL Server 5.5.38 and earlier, and 5.6.19 and earlier, allows remote authenticated users to affect availability via vectors related to DDL.

Unspecified vulnerability in Oracle Java SE 5.0u75, 6u85, 7u72, and 8u25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.