Cisco TelePresence MCU Series Devices Multiple Vulnerabilities in OpenSSL
Medium Nessus Plugin ID 76131
SynopsisThe remote host is affected by multiple vulnerabilities.
DescriptionThe remote Cisco TelePresence MCU device is running a software version known to be affected by multiple OpenSSL related vulnerabilities :
- An error exists related to the implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA) that could allow nonce disclosure via the 'FLUSH+RELOAD' cache side-channel attack. (CVE-2014-0076)
- An unspecified error exists that could allow an attacker to cause usage of weak keying material leading to simplified man-in-the-middle attacks.
- An unspecified error exists related to anonymous ECDH ciphersuites that could allow denial of service attacks. Note this issue only affects OpenSSL TLS clients. (CVE-2014-3470)
SolutionNo known fixed version have been released. There are partial workarounds detailed in the vendor advisory.