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AUSCERT External Security Bulletin Redistribution
JSA10808 - 2017-10 Security Bulletin: ScreenOS: SSL Death
Alert vulnerability impacts ScreenOS (CVE-2016-8610)
12 October 2017
AusCERT Security Bulletin Summary
Product: Juniper ScreenOS
Publisher: Juniper Networks
Operating System: Juniper
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2016-8610
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2017-10 Security Bulletin: ScreenOS: SSL Death Alert vulnerability impacts
This issue affects Juniper Networks ScreenOS 6.3.0 prior to 6.3.0r24.
A denial of service flaw was found in the way the TLS/SSL protocol specifies
processing of ALERT packets during a connection handshake. A remote attacker
could use this flaw to make the ScreenOS TLS/SSL server consume an excessive
amount of CPU time and trigger a denial of service condition for the ScreenOS
Affected releases are Juniper Networks ScreenOS 6.3.0 prior to 6.3.0r24.
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue has been assigned CVE-2016-8610.
The following software releases have been updated to resolve this specific
issue: 6.3.0r24 and all subsequent releases.
This issue is being tracked as PR 1228608 and is visible on the Customer
Use access lists or firewall filters to limit access to the firewall's WebUI
only from trusted hosts
Software Releases, patches and updates are available at
2017-10-11: Initial Publication.
KB16613: Overview of the Juniper Networks SIRT Monthly Security Bulletin
KB16765: In which releases are vulnerabilities fixed?
KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security
Report a Vulnerability - How to Contact the Juniper Networks Security Incident
CVE-2016-8610 at cve.mitre.org
Information for how Juniper Networks uses CVSS can be found at KB 16446
"Common Vulnerability Scoring System (CVSS) and Juniper's Security
Juniper SIRT would like to acknowledge and thank
Shi Lei of Gear Team, Qihoo 360 Inc.
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