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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.

Common Vulnerabilities and Exposures (CVE)