Cisco Email Security Appliance prior 9.7.1-207/9.7.2-047/10.0.0-125 Attachment Scanner data processing

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco Email Security Appliance and classified as problematic. The affected element is an unknown function of the component Attachment Scanner. The manipulation results in data processing. This vulnerability is reported as CVE-2016-1486. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Cisco Email Security Appliance (Anti-Malware Software). Affected is an unknown code of the component Attachment Scanner. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on availability. CVE summarizes:
A vulnerability in the email attachment scanning functionality of the Advanced Malware Protection (AMP) feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop scanning and forwarding email messages due to a denial of service (DoS) condition. Affected Products: This vulnerability affects Cisco AsyncOS Software releases 9.7.1 and later, prior to the first fixed release, for both virtual and hardware Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCuy99453. Known Affected Releases: 9.7.1-066. Known Fixed Releases: 10.0.0-125 9.7.1-207 9.7.2-047.
The weakness was disclosed 10/28/2016 with Cisco as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2016-1486 since 01/04/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316058 (Cisco ESA Advanced Malware Protection Attachment Scanning Denial of Service Vulnerability (cisco-sa-20161026-esa2)).
Upgrading to version 9.7.1-207, 9.7.2-047 or 10.0.0-125 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93906†). The entries VDB-93136, VDB-93131 and VDB-93129 are pretty similar. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Data processingCWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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OpenVAS ID: 103403
OpenVAS Name: Cisco Email Security Appliance Advanced Malware Protection Attachment Scanning Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Email Security Appliance 9.7.1-207/9.7.2-047/10.0.0-125
Timeline
01/04/2016 🔍10/26/2016 🔍
10/28/2016 🔍
10/28/2016 🔍
10/28/2016 🔍
10/14/2024 🔍
Sources
Vendor: cisco.comAdvisory: tools.cisco.com
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-1486 (🔍)
GCVE (CVE): GCVE-0-2016-1486
GCVE (VulDB): GCVE-100-93132
SecurityFocus: 93906 - Cisco AsyncOS CVE-2016-1486 Remote Denial of Service Vulnerability
SecurityTracker: 1037124
See also: 🔍
Entry
Created: 10/28/2016 19:46Updated: 10/14/2024 08:19
Changes: 10/28/2016 19:46 (57), 05/19/2019 18:11 (13), 09/28/2022 15:13 (3), 10/14/2024 08:19 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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