Symantec Veritas Backup Exec up to 9.0 Password stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Symantec Veritas Backup Exec up to 9.0 and classified as critical. This issue affects some unknown processing. Such manipulation of the argument Password leads to stack-based overflow. This vulnerability is listed as CVE-2005-0773. In addition, an exploit is available. It is recommended to add further authentication.

Detailsinfo

A vulnerability was found in Symantec Veritas Backup Exec up to 9.0 (Backup Software). It has been rated as critical. Affected by this issue is an unknown code. The manipulation of the argument password with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in VERITAS Backup Exec Remote Agent 9.0 through 10.0 for Windows, and 9.0.4019 through 9.1.307 for Netware allows remote attackers to execute arbitrary code via a CONNECT_CLIENT_AUTH request with authentication method type 3 (Windows credentials) and a long password argument.

The bug was discovered 06/22/2005. The weakness was presented 06/22/2005 (Website). The advisory is shared for download at us-cert.gov. This vulnerability is handled as CVE-2005-0773 since 03/18/2005. 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.

After even before and not, there has been an exploit disclosed. The exploit is available at securiteam.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 18551 (VERITAS Backup Exec Agent for Windows CONNECT_CLIENT_AUTH Remote Overflow), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38486 (VERITAS Backup Exec Remote Agent for Windows Servers Authentication Buffer Overflow).

It is possible to mitigate the problem by adding an authentication mechanism. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 3695. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3602.

The vulnerability is also documented in the databases at X-Force (21113), Tenable (18551), SecurityFocus (BID 14022†), OSVDB (17624†) and Secunia (SA15789†). See VDB-25629, VDB-25602, VDB-25597 and VDB-25596 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
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: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 18551
Nessus Name: VERITAS Backup Exec Agent for Windows CONNECT_CLIENT_AUTH Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802985
OpenVAS Name: VERITAS Backup Exec Remote Agent Windows Servers BOF Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/backup_exec_connect_client_auth
Saint Name: VERITAS Backup Exec CONNECT_CLIENT_AUTH buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: remote_agent.rb
MetaSploit Name: Veritas Backup Exec Windows Remote Agent Overflow
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Authentication
Status: 🔍
Snort ID: 3695
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

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

Timelineinfo

03/18/2005 🔍
06/18/2005 +92 days 🔍
06/22/2005 +4 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/22/2005 +0 days 🔍
06/23/2005 +0 days 🔍
06/23/2005 +0 days 🔍
06/23/2005 +0 days 🔍
06/27/2005 +4 days 🔍
06/30/2005 +3 days 🔍
03/11/2015 +3540 days 🔍
07/04/2025 +3768 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0773 (🔍)
GCVE (CVE): GCVE-0-2005-0773
GCVE (VulDB): GCVE-100-25568
CERT: 🔍
X-Force: 21113
SecurityFocus: 14022 - Veritas Backup Exec Remote Agent for Windows Servers Authentication Buffer Overflow Vulnerability
Secunia: 15789 - VERITAS Backup Exec Multiple Vulnerabilities, Moderately Critical
OSVDB: 17624 - VERITAS Backup Exec Remote Agent for Windows CONNECT_CLIENT_AUTH Remote Overflow
SecurityTracker: 1014273
Vulnerability Center: 8436 - Buffer Overflow in Veritas Software Backup Exec 9.0 rev. 4367 - 10.0 rev. 5484 SP1, High

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 (94), 06/02/2019 18:31 (8), 06/16/2024 23:20 (16), 07/17/2024 22:09 (1), 07/04/2025 20:08 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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