VDB-61181 · CVE-2011-5096 · GCVE-0-2011-5096

Avaya Aura Application Server 5300 prior 2.0 cstore.exe cs_anams memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Avaya Aura Application Server 5300. Affected is an unknown function of the file cstore.exe. The manipulation of the argument cs_anams leads to memory corruption. This vulnerability is documented as CVE-2011-5096. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Avaya Aura Application Server 5300 (Application Server Software). It has been rated as very critical. This issue affects an unknown functionality of the file cstore.exe. The manipulation of the argument cs_anams 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. The summary by CVE is:

Stack-based buffer overflow in cstore.exe in the Media Application Server (MAS) in Avaya Aura Application Server 5300 (formerly Nortel Media Application Server) 1.x before 1.0.2 and 2.0 before Patch Bundle 10 allows remote attackers to execute arbitrary code via a crafted cs_anams parameter in a CONTENT_STORE_ADMIN_REQ packet.

The weakness was released 07/03/2012 (Website). The advisory is shared at downloads.avaya.com. The identification of this vulnerability is CVE-2011-5096 since 07/03/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/28/2018).

Upgrading to version 2.0 eliminates this vulnerability.

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Productinfo

Type

Application Server Software

Vendor

Avaya

Name

Aura Application Server 5300

License

commercial

Website

Vendor: https://www.avaya.com/

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

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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Aura Application Server 5300 2.0

Timelineinfo

07/03/2012 🔍
07/03/2012 +0 days 🔍
07/03/2012 +0 days 🔍
03/23/2015 +993 days 🔍
01/28/2018 +1042 days 🔍

Sourcesinfo

Vendor: avaya.com

Advisory: downloads.avaya.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-5096 (🔍)
GCVE (CVE): GCVE-0-2011-5096
GCVE (VulDB): GCVE-100-61181

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/28/2018 09:43
Changes: 03/23/2015 16:50 (44), 01/28/2018 09:43 (6)
Complete: 🔍
Cache ID: 216::103