VDB-112853 · CVE-2018-6635 · BID 102940

Avaya Aura up to 7.1.1 System Manager cryptographic issue

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Avaya Aura up to 7.1.1. This issue affects some unknown processing of the component System Manager. The manipulation leads to cryptographic issue. This vulnerability is listed as CVE-2018-6635. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Avaya Aura up to 7.1.1. This issue affects some unknown processing of the component System Manager. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

System Manager in Avaya Aura before 7.1.2 does not properly use SSL in conjunction with authentication, which allows remote attackers to bypass intended Remote Method Invocation (RMI) restrictions, aka SMGR-26896.

The bug was discovered 01/31/2018. The weakness was presented 02/05/2018 (Website). The advisory is shared at downloads.avaya.com. The identification of this vulnerability is CVE-2018-6635 since 02/05/2018. The attack may be initiated remotely. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 7.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102940†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Avaya

Name

Aura

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Cryptographic issue
CWE: CWE-310
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 7.1.2

Timelineinfo

01/31/2018 🔍
02/05/2018 +5 days 🔍
02/05/2018 +0 days 🔍
02/05/2018 +0 days 🔍
02/05/2018 +0 days 🔍
02/06/2018 +1 days 🔍
02/02/2021 +1092 days 🔍

Sourcesinfo

Vendor: avaya.com

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

CVE: CVE-2018-6635 (🔍)
GCVE (CVE): GCVE-0-2018-6635
GCVE (VulDB): GCVE-100-112853
SecurityFocus: 102940 - Avaya Aura System Manager CVE-2018-6635 Security Bypass Vulnerability
SecurityTracker: 1040329

Entryinfo

Created: 02/06/2018 08:17
Updated: 02/02/2021 15:50
Changes: 02/06/2018 08:17 (60), 01/01/2020 19:25 (4), 02/02/2021 15:50 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.