CVE-2006-5143
HighPublic exploitMultiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute…
Published Oct 10, 2006 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2006-5143 is a high-severity vulnerability (CVSS 7.5 v2) affecting Brightstor Arcserve Backup (Broadcom), Brightstor Enterprise Backup (Broadcom), Business Protection Suite (Broadcom) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 80% probability of exploitation in the next 30 days.
- Fixed versions are available, including Brightstor Arcserve Backup 11.5.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
80%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-5143 brief as a PDF
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Description
Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted data on TCP port 6071 to the Backup Agent RPC Server (DBASVR.exe) using the RPC routines with opcode (1) 0x01, (2) 0x02, or (3) 0x18; invalid stub data on TCP port 6503 to the RPC routines with opcode (4) 0x2b or (5) 0x2d in ASCORE.dll in the Message Engine RPC Server (msgeng.exe); (6) a long hostname on TCP port 41523 to ASBRDCST.DLL in the Discovery Service (casdscsvc.exe); or unspecified vectors related to the (7) Job Engine Service.
Affected Products
7 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Brightstor Arcserve BackupBroadcom | 11.1, 9.01, 11 | 11.5 |
| Brightstor Enterprise BackupBroadcom | 10.5 | n/a |
| Business Protection SuiteBroadcom | 2.0 | n/a |
| Server Protection SuiteBroadcom | 2 | n/a |
Patched Releases
Brightstor Arcserve Backup
11.5
Timeline
Publicly disclosed
Oct 10, 2006
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory22285
- advisoryADV-2006-3930
- advisoryhttp://www.zerodayinitiative.com/advisories/ZDI-06-031.html
- patchhttp://supportconnectw.ca.com/public/storage/infodocs/basbr-secnotice.asp
- patchhttp://www.tippingpoint.com/security/advisories/TSRT-06-11.html
FAQ
Common Questions.
Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted data on TCP port 60…
Affected: Brightstor Arcserve Backup (Broadcom) versions 11.1, 9.01, 11; Brightstor Enterprise Backup (Broadcom) versions 10.5; Business Protection Suite (Broadcom) versions 2.0, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Brightstor Arcserve Backup 11.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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