CVE-2015-6418: Infoleak

Published Dec 13, 2015
·
Updated

The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.

Affected Software

12 affected components
Cisco Sa520=2.2.07
Cisco Sa520w=2.2.07
Cisco Sa540=2.2.07
Cisco Rv016 Multi-wan Vpn Firmware=4.0.0.7
Cisco Rv016 Multi-wan Vpn Firmware=4.0.2.8
Cisco Rv016 Multi-wan Vpn Firmware=4.0.5.0
Cisco Rv042 Dual Wan Vpn Router Firmware=4.0.2.8
Cisco Rv042g Dual Gigabit Wan Vpn Firmware=4.0.0.7
Cisco Rv042g Dual Gigabit Wan Vpn Firmware=4.2.2.7
Cisco Rv042g Dual Gigabit Wan Vpn Firmware=4.2.2.8
Cisco Rv082 Dual Wan Vpn Router Firmware=4.0.0.7
Cisco Rv082 Dual Wan Vpn Router Firmware=4.0.2.8

Event History

Dec 13, 2015
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-6418?

CVE-2015-6418 is classified as a medium severity vulnerability due to its potential impact on encryption keys.

2

How do I fix CVE-2015-6418?

To mitigate CVE-2015-6418, it's recommended to update affected Cisco devices to the latest firmware version that addresses this vulnerability.

3

What types of Cisco devices are affected by CVE-2015-6418?

CVE-2015-6418 affects Cisco Small Business RV routers 4.x and SA500 security appliances running specific firmware versions.

4

What does CVE-2015-6418 exploit in Cisco devices?

CVE-2015-6418 exploits a weakness in the random number generator, allowing attackers to potentially derive TLS key pairs.

5

Is there a known workaround for CVE-2015-6418?

No specific workaround is documented for CVE-2015-6418; the primary method of remediation is through firmware updates.

Contact

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