VDB-91780 · CVE-2016-0921 · BID 93032

EMC Avamar Server up to 7.3.0 Avamar Data Store/Avamar Virtual Edition access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in EMC Avamar Server up to 7.3.0. The impacted element is an unknown function of the component Avamar Data Store/Avamar Virtual Edition. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2016-0921. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in EMC Avamar Server up to 7.3.0 (Backup Software). It has been declared as critical. This vulnerability affects an unknown part of the component Avamar Data Store/Avamar Virtual Edition. 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:

Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) in EMC Avamar Server before 7.3.0-233 use weak permissions for unspecified directories, which allows local users to obtain root access by replacing a script with a Trojan horse program.

The weakness was published 09/21/2016 by Geoff (Website). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2016-0921 since 12/17/2015. The attack needs to be approached locally. A single authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11886 (EMC Avamar Data Store and Avamar Virtual Edition Multiple Vulnerabilities (ESA-2016-065)).

Upgrading to version 7.3.0-233 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93032†). Similar entries are available at VDB-91775, VDB-91776, VDB-91777 and VDB-91779. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 11352
OpenVAS Name: EMC Avamar Data Store and Avamar Virtual Edition Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Avamar Server 7.3.0-233

Timelineinfo

12/17/2015 🔍
09/19/2016 +277 days 🔍
09/20/2016 +1 days 🔍
09/21/2016 +1 days 🔍
09/21/2016 +0 days 🔍
09/19/2022 +2189 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: seclists.org
Researcher: Geoff
Status: Not defined

CVE: CVE-2016-0921 (🔍)
GCVE (CVE): GCVE-0-2016-0921
GCVE (VulDB): GCVE-100-91780
SecurityFocus: 93032 - EMC Avamar Data Store and Avamar Virtual Edition Multiple Local Privilege Escalation Vulnerabilities
SecurityTracker: 1036844

See also: 🔍

Entryinfo

Created: 09/21/2016 12:28
Updated: 09/19/2022 13:02
Changes: 09/21/2016 12:28 (60), 04/21/2019 15:53 (11), 09/19/2022 13:02 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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