Symantec Veritas Backup Exec up to 9.0 RPC Interface beserver.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Symantec Veritas Backup Exec up to 9.0 and classified as critical. Affected is an unknown function of the file beserver.exe of the component RPC Interface. The manipulation results in memory corruption. This vulnerability is identified as CVE-2005-0771. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Symantec Veritas Backup Exec up to 9.0 (Backup Software). Affected is an unknown code of the file beserver.exe of the component RPC Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

VERITAS Backup Exec Server (beserver.exe) 9.0 through 10.0 for Windows allows remote unauthenticated attackers to modify the registry by calling methods to the RPC interface on TCP port 6106.

The bug was discovered 06/22/2005. The weakness was released 06/23/2005 by iDefense Labs with iDEFENSE Labs (Website). The advisory is shared for download at us-cert.gov. This vulnerability is traded as CVE-2005-0771 since 03/18/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/04/2025).

A public exploit has been developed in Perl Module. The exploit is shared for download at securityfocus.com. It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 19397 (VERITAS Backup Exec Agent Unauthenticated Remote Registry Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38484 (Veritas Backup Exec Server Remote Registry Access Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3614.

The vulnerability is also documented in the databases at X-Force (21116), Tenable (19397), SecurityFocus (BID 14020†), OSVDB (17627†) and Secunia (SA15789†). Entries connected to this vulnerability are available at VDB-25629, VDB-25602, VDB-25597 and VDB-25568. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 🔍

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Nessus ID: 19397
Nessus Name: VERITAS Backup Exec Agent Unauthenticated Remote Registry Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: registry.rb
MetaSploit Name: Veritas Backup Exec Server Registry Access
MetaSploit File: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/18/2005 🔍
06/22/2005 +96 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/23/2005 +1 days 🔍
06/23/2005 +0 days 🔍
06/23/2005 +0 days 🔍
08/08/2005 +46 days 🔍
08/16/2005 +8 days 🔍
03/11/2015 +3494 days 🔍
07/04/2025 +3768 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: iDefense Labs
Organization: iDEFENSE Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0771 (🔍)
GCVE (CVE): GCVE-0-2005-0771
GCVE (VulDB): GCVE-100-25596
CERT: 🔍
X-Force: 21116
SecurityFocus: 14020 - Veritas Backup Exec Server Remote Registry Access Vulnerability
Secunia: 15789
OSVDB: 17627 - Symantec VERITAS Backup Exec allows unauthorized privileges to registry
SecurityTracker: 1014273
Vulnerability Center: 8922 - Veritas BackupExec Server Unauthenticated Registry Access via Port 6106, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/11/2015 11:41
Updated: 07/04/2025 20:08
Changes: 03/11/2015 11:41 (75), 06/08/2019 11:52 (19), 07/17/2024 21:39 (17), 04/23/2025 05:37 (2), 07/04/2025 20:08 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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