Symantec Backup Exec 2010/2012 File Permission access control

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Symantec Backup Exec 2010/2012. Impacted is an unknown function of the component File Permission Handler. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2013-4677. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Symantec Backup Exec 2010/2012 (Backup Software) and classified as problematic. This vulnerability affects an unknown functionality of the component File Permission Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 uses weak permissions (Everyone: Read and Everyone: Change) for backup data files, which allows local users to obtain sensitive information or modify the outcome of a restore via direct access to these files.

The weakness was published 08/01/2013 by Perran Hill, Shaun Jones, Edward Torkington, Daniele Costa and Andy Davis with NCC Group Research as SYM13-009 as confirmed advisory (Website). The advisory is available at symantec.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2013-4677 since 06/24/2013. The exploitation appears to be easy. Local access is required to approach this attack. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 69263 (Symantec Backup Exec Server Multiple Vulnerabilities (SYM13-009)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121383 (Symantec Backup Exec Multiple Vulnerabilities (SYM13-009)).

Upgrading to version Service Pack 2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (86145), Tenable (69263), SecurityFocus (BID 61487†), OSVDB (95939†) and Secunia (SA54366†). Similar entries are available at VDB-9849, VDB-9851, VDB-9852 and VDB-9853. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Backup Exec 2012
  • Backup Exec 2010 R3

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69263
Nessus Name: Symantec Backup Exec Server Multiple Vulnerabilities (SYM13-009)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Backup Exec Service Pack 2

Timelineinfo

06/24/2013 🔍
08/01/2013 +38 days 🔍
08/01/2013 +0 days 🔍
08/01/2013 +0 days 🔍
08/01/2013 +0 days 🔍
08/05/2013 +4 days 🔍
08/07/2013 +2 days 🔍
03/25/2015 +595 days 🔍
05/21/2021 +2249 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: SYM13-009
Researcher: Perran Hill, Shaun Jones, Edward Torkington, Daniele Costa, Andy Davis
Organization: NCC Group Research
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4677 (🔍)
GCVE (CVE): GCVE-0-2013-4677
GCVE (VulDB): GCVE-100-9850

IAVM: 🔍

X-Force: 86145
SecurityFocus: 61487 - Symantec Backup Exec CVE-2013-4677 Local Insecure File Permissions Vulnerability
Secunia: 54366 - Symantec Backup Exec Multiple Vulnerabilities, Moderately Critical
OSVDB: 95939
Vulnerability Center: 49205 - Symantec Backup Exec Backup Data Storage Files Weak Permissions Vulnerability, Medium

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

Entryinfo

Created: 08/07/2013 10:07
Updated: 05/21/2021 08:37
Changes: 08/07/2013 10:07 (55), 06/23/2017 10:36 (32), 05/21/2021 08:37 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:54A:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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