CA BrightStor ARCserve Backup up to 11.5 tapeeng.exe memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in CA BrightStor ARCserve Backup up to 11.5. This impacts an unknown function of the file tapeeng.exe. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2006-6076. Additionally, an exploit exists. Applying a patch is advised to resolve this issue.
Details
A vulnerability was found in CA BrightStor ARCserve Backup up to 11.5 (Backup Software). It has been rated as very critical. Affected by this issue is an unknown code block of the file tapeeng.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in the Tape Engine (tapeeng.exe) in CA (formerly Computer Associates) BrightStor ARCserve Backup 11.5 and earlier allows remote attackers to execute arbitrary code via certain RPC requests to TCP port 6502.
The bug was discovered 11/21/2006. The weakness was released 11/24/2006 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2006-6076 since 11/24/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/18/2025).
A public exploit has been developed in Python. The exploit is available at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 24816 (CA BrightStor ARCserve Backup Tape Engine and Portmapper Multiple Vulnerabilities (QO86255)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r.
Applying a patch is able to eliminate this problem. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4295.
The vulnerability is also documented in the databases at X-Force (30453), Tenable (24816), SecurityFocus (BID 21221†), OSVDB (30637†) and Secunia (SA23060†). Entries connected to this vulnerability are available at VDB-35660, VDB-35659 and VDB-34880. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.ca.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 24816
Nessus Name: CA BrightStor ARCserve Backup Tape Engine and Portmapper Multiple Vulnerabilities (QO86255)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Saint ID: exploit_info/brightstor_arcserve_tape_reservegroup
Saint Name: BrightStor ARCserve Backup Tape Engine ReserveGroup buffer overflow
MetaSploit ID: tape_engine.rb
MetaSploit Name: CA BrightStor ARCserve Tape Engine Buffer Overflow
MetaSploit File: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
11/21/2006 🔍11/21/2006 🔍
11/21/2006 🔍
11/22/2006 🔍
11/24/2006 🔍
11/24/2006 🔍
11/24/2006 🔍
11/24/2006 🔍
01/14/2007 🔍
03/16/2007 🔍
03/12/2015 🔍
01/18/2025 🔍
Sources
Vendor: ca.comAdvisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2006-6076 (🔍)
GCVE (CVE): GCVE-0-2006-6076
GCVE (VulDB): GCVE-100-33416
IAVM: 🔍
CERT: 🔍
X-Force: 30453
SecurityFocus: 21221 - Computer Associates BrightStor ARCserve Backup Tape Engine Remote Buffer Overflow Vulnerability
Secunia: 23060 - CA BrightStor ARCserve Backup Buffer Overflow Vulnerabilities, Moderately Critical
OSVDB: 30637 - Computer Associates - BrightStor ARCserve Backup - Tape Engine - Remote Buffer Overflow Issue
SecurityTracker: 1017268
Vulnerability Center: 14031 - BrightStor ARCserve Backup 11.5 Buffer overflow in the Tape Engine Remote Code Execution, Critical
Vupen: ADV-2006-4654
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/12/2015 22:21Updated: 01/18/2025 12:48
Changes: 03/12/2015 22:21 (88), 07/13/2019 17:29 (14), 01/18/2025 12:48 (16)
Complete: 🔍
Cache ID: 216:B49:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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