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Junos OpenSSL Information Disclosure Vulnerability
Information
Severity
Severity
Low
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
1.9
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:M/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
9 years ago
Modified
Modified
5 years ago
Summary
Junos OS is prone to a OpenSSL side channel attack which leads to information disclosure.
Insight
Insight
The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.
Affected Software
Affected Software
Junos OS 11.4, 12.1, 12.2, 12.3, 13.1 and 13.2
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper.