National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7756 Detail

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.

Source:  MITRE      Last Modified:  12/19/2015

Quick Info

CVE Dictionary Entry:
CVE-2015-7756
Original release date:
12/19/2015
Last revised:
12/07/2016
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/ External Source MISC 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 Vendor Advisory External Source CONFIRM 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/ External Source MISC 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 External Source CERT-VN VU#640184
http://www.securitytracker.com/id/1034489 External Source SECTRACK 1034489
http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/ External Source MISC 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/ External Source MISC 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 External Source CONFIRM https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
https://github.com/hdm/juniper-cve-2015-7755 External Source MISC https://github.com/hdm/juniper-cve-2015-7755

Technical Details

Vulnerability Type (View All)

Change History 3 change records found - show changes