Attention *NIX admins, time to patch!

Published: 2014-09-24
Last Updated: 2014-09-24 16:05:51 UTC
by Pedro Bueno (Version: 1)
7 comment(s)

Over the past years, we became used to Microsoft Patches, the important, critical ones that would render your system fully vulnerable if you didn't apply them. We probably became so used that sometime we forget that our Linux servers also need patches.

Today I've learned about a critical Bash patch, that addresses the CVE-2014-6271. According the advisory:

"A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue."

The patches are already ready for most of the Linux distros, like RedHat and Debian, so waste no time.

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Pedro Bueno (pbueno /%%/ isc. sans. org)
Twitter: http://twitter.com/besecure

Keywords: cve20146271
7 comment(s)
ISC StormCast for Wednesday, September 24th 2014 http://isc.sans.edu/podcastdetail.html?id=4161

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