Date: 15 October 2015
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AUSCERT External Security Bulletin Redistribution
2015-10 Security Bulletin: ScreenOS: Network based denial of
service vulnerability in ScreenOS (CVE-2015-7750)
15 October 2015
AusCERT Security Bulletin Summary
Product: Juniper ScreenOS
Publisher: Juniper Networks
Operating System: Juniper
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2015-7750
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2015-10 Security Bulletin: ScreenOS: Network based denial of service
vulnerability in ScreenOS (CVE-2015-7750)
Firewalls ISG/NS/SSG Series
Security Advisories ID: JSA10704
Last Updated: 14 Oct 2015
This issue can affect any Netscreen and ScreenOS Series products running
A vulnerability in ScreenOS L2TP packet processing may allow a remote network
based attacker to cause a denial of service condition on ScreenOS devices by
sending a crafted L2TP packet.
This issue is assigned CVE-2015-7750.
This issue has been resolved in ScreenOS 6.3.0r13-dnd1 and 6.3.0r18-dnc1.
This issue is being tracked as PR 1086779 and is visible on the Customer
KB16765 - "In which releases are vulnerabilities fixed?" describes which
release vulnerabilities are fixed as per our End of Engineering and End of
Life support policies.
On ScreenOS 6.3.0 this issue can be mitigated by not configuring L2TP
How to obtain fixed software:
Software release Service Packages are available at http://support.juniper.net
from the "Download Software" links. Select your appropriate Selected Products,
or browse by Series or Technology, once you find the appropriate fixed
version(s) for your needed platform download and apply the updated version(s)
2015-10-14: Initial publication
KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
KB16765: In which releases are vulnerabilities fixed?
KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security
Report a Security Vulnerability - How to Contact the Juniper Networks
Security Incident Response Team
Information for how Juniper Networks uses CVSS can be found at KB16446 "Common
Vulnerability Scoring System (CVSS) and Juniper's Security Advisories"
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