[AusNOG] Juniper ScreenOS backdoor

Jonathan Thorpe jthorpe at Conexim.com.au
Fri Dec 18 12:51:45 EST 2015


Hi All,

If anyone has any ScreenOS gear still running, you might want to have a look at this:
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713

It doesn't say as much, but US-CERT seem to indicate that this is effectively backdoor code:
https://www.us-cert.gov/ncas/current-activity/2015/12/17/Juniper-Releases-Out-band-Security-Advisory-ScreenOS

"Juniper has discovered unauthorized code in ScreenOS which could allow an attacker to take control of NetScreen devices and to decrypt VPN connections."

Not cool.

Kind Regards,
Jonathan
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