CVE-2015-7756 Information

Description

The encryption implementation in Juniper ScreenOS 6.2.0r15 through 6.2.0r18 6.3.0r12 before 6.3.0r12b 6.3.0r13 before 6.3.0r13b 6.3.0r14 before 6.3.0r14b 6.3.0r15 before 6.3.0r15b 6.3.0r16 before 6.3.0r16b 6.3.0r17 before 6.3.0r17b 6.3.0r18 before 6.3.0r18b 6.3.0r19 before 6.3.0r19b and 6.3.0r20 before 6.3.0r21 makes it easier for remote attackers to discover the plaintext content of VPN sessions by sniffing the network for ciphertext data and conducting an unspecified decryption attack.

Reference

http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/ http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713 http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/ http://www.kb.cert.org/vuls/id/640184 http://www.securitytracker.com/id/1034489 http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/ https://adamcaudill.com/2015/12/17/much-ado-about-juniper/ https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554 https://github.com/hdm/juniper-cve-2015-7755