An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability in the SHA Authentication scheme, an attacker is able to gain unauthorized access and complete the authentication process. Subsequently, the client can execute data management protocol commands on the authenticated connection. By using crafted input parameters in one of these commands, an attacker can access an arbitrary file on the system using System privileges.
References
Link | Resource |
---|---|
http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
https://www.veritas.com/content/support/en_US/security/VTS21-001#issue2 | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2021-03-01T21:49:06
Updated: 2022-09-26T17:06:28
Reserved: 2021-03-01T00:00:00
Link: CVE-2021-27876
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-03-01T22:15:14.350
Modified: 2022-09-27T20:14:17.313
Link: CVE-2021-27876
JSON object: View
Redhat Information
No data.
CWE