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CVE-2007-5327: Broadcom Brightstor Arcserve Backup: Buffer overflow

CVE-2007-5327 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Broadcom Brightstor Arcserve Backup, along with 1 other product in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Stack-based buffer overflow in the RPC interface for the Message Engine (mediasvr.exe) in CA BrightStor ARCServe BackUp v9.01 through R11.5, and Enterprise Backup r10.5, allows remote attackers to execute arbitrary code via a long argument in the 0x10d opnum.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

Access vector: Network. Exploitable remotely over the network.
Access complexity: Low. No special conditions are required.
Authentication: None. No authentication is needed.
Confidentiality impact: Complete. Total information disclosure.
Integrity impact: Complete. Total loss of integrity.
Availability impact: Complete. Total shutdown of the component.

Underlying weakness

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected products

Broadcom Brightstor Arcserve Backup: 9.01; 10.5; 11; 11.1; 11.5
Broadcom Brightstor Enterprise Backup: 10.5