Stack-based buffer overflow vulnerability

An unauthenticated remote attacker can execute arbitrary code with root/SYSTEM privileges.

Reported as CVE-2017-3195. A stack based buffer overflow in the Commvault Edge Communication Service (cvd) allows remote attackers to execute arbitrary code via crafted packets, exploiting weaknesses in the key exchange mechanism. Access to TCP port 8400 (by default) on the target machine is necessary to exploit this vulnerability.

Apply and Update

Commvault has provided fixes in the latest service pack (SP7 and above) to address the vulnerability.  For Service pack 6 customers, install the latest SP6 hotfix pack.

REFERENCES

https://cwe.mitre.org/data/definitions/121.html

https://www.kb.cert.org/vuls/id/214283