Cisco ASA up to 9.5.2 XML Parser memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco ASA up to 9.5.2 and classified as problematic. This vulnerability affects unknown code of the component XML Parser. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2016-1385. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco ASA up to 9.5.2 (Firewall Software) and classified as problematic. This issue affects an unknown part of the component XML Parser. The manipulation 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 availability. The summary by CVE is:

The XML parser in Cisco Adaptive Security Appliance (ASA) Software through 9.5.2 allows remote authenticated users to cause a denial of service (instability, memory consumption, or device reload) by leveraging (1) administrative access or (2) Clientless SSL VPN access to provide a crafted XML document, aka Bug ID CSCut14209.

The weakness was shared 05/26/2016 as CSCut14209 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2016-1385 since 01/04/2016. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 91946 (Cisco Adaptive Security Appliance XML Parser DoS (cisco-sa-20160517-asa-xml)), 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 316078 (Cisco ASA XML Parser Denial of Service Vulnerability (cisco-sa-20160517-asa-xml)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91946) and SecurityFocus (BID 90721†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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Nessus ID: 91946
Nessus Name: Cisco Adaptive Security Appliance XML Parser DoS (cisco-sa-20160517-asa-xml)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57981
OpenVAS Name: Cisco Adaptive Security Appliance XML Parser Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2016 🔍
05/17/2016 +134 days 🔍
05/26/2016 +9 days 🔍
05/26/2016 +0 days 🔍
05/27/2016 +1 days 🔍
07/05/2016 +39 days 🔍
10/14/2024 +3023 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCut14209
Status: Confirmed

CVE: CVE-2016-1385 (🔍)
GCVE (CVE): GCVE-0-2016-1385
GCVE (VulDB): GCVE-100-87629
SecurityFocus: 90721
SecurityTracker: 1035976

Entryinfo

Created: 05/27/2016 11:03
Updated: 10/14/2024 14:45
Changes: 05/27/2016 11:03 (70), 12/17/2018 08:09 (4), 08/22/2022 10:25 (4), 10/14/2024 14:45 (16)
Complete: 🔍
Cache ID: 216::103

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

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