Cisco Web Security Appliance up to 8.5.3-055 HTTP POST Request input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Web Security Appliance up to 8.5.3-055 and classified as critical. This affects an unknown function of the component HTTP POST Request Handler. The manipulation results in input validation. This vulnerability is identified as CVE-2016-1380. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Web Security Appliance up to 8.5.3-055 (Anti-Malware Software). Affected is an unknown code of the component HTTP POST Request Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Cisco AsyncOS 8.0 before 8.0.6-119 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (proxy-process hang) via a crafted HTTP POST request, aka Bug ID CSCuo12171.

The weakness was released 05/18/2016 with Cisco as cisco-sa-20160518-wsa1 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2016-1380 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. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 91338 (Cisco Web Security Appliance Multiple DoS Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316003 (Cisco Web Security Appliance HTTP POST Denial of Service Vulnerability (cisco-sa-20160518-wsa1)).

Upgrading to version 9.0.1-162 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 Tenable (91338), SecurityFocus (BID 90742†) and SecurityTracker (ID 1035908†). Entries connected to this vulnerability are available at VDB-87547, VDB-87548 and VDB-87549. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Nessus ID: 91338
Nessus Name: Cisco Web Security Appliance Multiple DoS Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802919
OpenVAS Name: Cisco WSA Multiple Vulnerabillities 05/16
OpenVAS File: 🔍
OpenVAS 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: Web Security Appliance 9.0.1-162

Timelineinfo

01/04/2016 🔍
05/18/2016 +135 days 🔍
05/18/2016 +0 days 🔍
05/18/2016 +0 days 🔍
05/20/2016 +2 days 🔍
05/24/2016 +4 days 🔍
05/26/2016 +2 days 🔍
10/14/2024 +3063 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20160518-wsa1
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-1380 (🔍)
GCVE (CVE): GCVE-0-2016-1380
GCVE (VulDB): GCVE-100-87546
SecurityFocus: 90742
SecurityTracker: 1035908

See also: 🔍

Entryinfo

Created: 05/20/2016 10:31
Updated: 10/14/2024 21:29
Changes: 05/20/2016 10:31 (78), 12/05/2018 09:36 (2), 10/14/2024 21:29 (19)
Complete: 🔍
Cache ID: 216:5CC:103

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

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