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 Source: ms-msrc
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. If you are not familiar with how we calculate the XI, a full description can be found here. We re-released one Security Bulletin: MS14-083 Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution One new Security Advisory was released: Update for Windows Command Line Auditing (3004375). One Security Advisory was revised: Vulnerability in SSL 3.0 Could Allow Information Disclosure (3009008). We also [ more… ]
<pre> #include <netdb.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #define CANARY "in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main(void) { struct hostent resbuf; struct hostent *result; int herrno; int retval; /*** strlen (name) = size_needed – sizeof (*host_addr) – sizeof (*h_addr_ptrs) – 1; ***/ size_t len = sizeof(temp.buffer) – 16*sizeof(unsigned char) – 2*sizeof(char *) – 1; char name[sizeof(temp.buffer)]; memset(name, ‘0’, len); name[len] = ‘\0’; retval = gethostbyname_r(name, &resbuf, temp.buffer, sizeof(temp.buffer), &result, &herrno); if (strcmp(temp.canary, CANARY) != 0) { puts("vulnerable"); exit(EXIT_SUCCESS); } if (retval == ERANGE) { puts("not vulnerable"); exit(EXIT_SUCCESS); } puts("should not happen"); exit(EXIT_FAILURE); } </pre>
Today, as part of Update Tuesday, we released eight security updates – one rated Critical and seven rated Important in severity, to address eight unique Common Vulnerabilities and Exposures (CVEs) in Microsoft Windows. We encourage you to apply all of these updates. For more information about this month’s security updates, including the detailed view of the Exploit Index (XI) broken down by each CVE, visit the Microsoft Bulletin Summary webpage. If you are not familiar with how we calculate XI, a full description can be found here. We re-released one Security Bulletin: MS14-080 Cumulative Security Update for Internet Explorer One Security Advisory was revised: Update for Vulnerabilities in Adobe Flash Player in Internet Explorer (2755801) For the latest information, you can follow the MSRC team on Twitter at @MSFTSecResponse. MSRC Team Source: ms-msrc
For years our customers have been in the trenches against cyberattacks in an increasingly complex digital landscape. We’ve been there with you, as have others. And we aren’t going anywhere. Forces often seek to undermine and disrupt technology and people, attempting to weaken the very devices and services people have come to depend on and trust. Just as malicious acts are planned, so too are counter-measures implemented by companies like Microsoft. These efforts aim to protect everyone against a broad spectrum of activity ranging from phishing scams that focus on socially engineered trickery, to sophisticated attacks by persistent and determined adversaries. (And yes, people have a role to play – strong passwords, good policies and practices, keeping current to the best of your ability, detection and response, etc. But we’ll save those topics for another day). With all that is [ more… ]
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