Posts Tagged: Exchange Server

Mar 18

Flash, Windows Users: It’s Time to Patch

Adobe and Microsoft each pushed critical security updates to their products today. Adobe’s got a new version of Flash Player available, and Microsoft released 14 updates covering more than 75 vulnerabilities, two of which were publicly disclosed prior to today’s patch release.

The Microsoft updates affect all supported Windows operating systems, as well as all supported versions of Internet Explorer/Edge, Office, Sharepoint and Exchange Server.

All of the critical vulnerabilities from Microsoft are in browsers and browser-related technologies, according to a post from security firm Qualys.

“It is recommended that these be prioritized for workstation-type devices,” wrote Jimmy Graham, director of product management at Qualys. “Any system that accesses the Internet via a browser should be patched.”

The Microsoft vulnerabilities that were publicly disclosed prior to today involve Microsoft Exchange Server 2010 through 2016 editions (CVE-2018-0940) and ASP.NET Core 2.0 (CVE-2018-0808), said Chris Goettl at Ivanti. Microsoft says it has no evidence that attackers have exploited either flaw in active attacks online.

But Goettl says public disclosure means enough information was released publicly for an attacker to get a jump start or potentially to have access to proof-of-concept code making an exploit more likely. “Both of the disclosed vulnerabilities are rated as Important, so not as severe, but the risk of exploit is higher due to the disclosure,” Goettl said. Continue reading →