Security Leftovers
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Security advisories for Monday
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Kaminsky: A Skeleton Key of Unknown Strength
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A Skeleton Key of Unknown Strength
TL;DR: The glibc DNS bug (CVE-2015-7547) is unusually bad. Even Shellshock and Heartbleed tended to affect things we knew were on the network and knew we had to defend. This affects a universally used library (glibc) at a universally used protocol (DNS). Generic tools that we didn’t even know had network surface (sudo) are thus exposed, as is software written in programming languages designed explicitly to be safe. Who can exploit this vulnerability? We know unambiguously that an attacker directly on our networks can take over many systems running Linux. What we are unsure of is whether an attacker anywhere on the Internet is similarly empowered, given only the trivial capacity to cause our systems to look up addresses inside their malicious domains.
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IPFire 2.17 Core Update 98 Patches Glibc Vulnerability for the Linux Firewall
Michael Tremer, a developer working on the open source IPFire Linux firewall project, announced on February 22, 2016, the availability of a new Core Update for the distribution.
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