VDB-133803 · CVE-2019-1799 · BID 108008

Cisco Wireless LAN Controller up to 8.2/8.5/8.8 IAPP Message resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Wireless LAN Controller up to 8.2/8.5/8.8. It has been classified as problematic. Affected is an unknown function of the component IAPP Message Handler. Performing a manipulation results in resource management. This vulnerability was named CVE-2019-1799. The attack needs to be approached within the local network. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco Wireless LAN Controller up to 8.2/8.5/8.8 (Wireless LAN Software). This affects an unknown code block of the component IAPP Message Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.

The bug was discovered 04/17/2019. The weakness was presented 04/18/2019 with Cisco as cisco-sa-20190417-wlc-iapp as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2019-1799 since 12/06/2018. Access to the local network is required for this attack. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316410 (Cisco Wireless LAN Controller Software IAPP Message Handling Denial of Service Vulnerabilities(cisco-sa-20190417-wlc-iapp)).

Upgrading to version 8.2.170.0, 8.5.150.0 or 8.8.100.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 108008†). See VDB-133801 and VDB-133804 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wireless LAN Controller 8.2.170.0/8.5.150.0/8.8.100.0

Timelineinfo

12/06/2018 🔍
04/17/2019 +132 days 🔍
04/17/2019 +0 days 🔍
04/18/2019 +1 days 🔍
04/18/2019 +0 days 🔍
09/04/2023 +1600 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190417-wlc-iapp
Organization: Cisco
Status: Confirmed

CVE: CVE-2019-1799 (🔍)
GCVE (CVE): GCVE-0-2019-1799
GCVE (VulDB): GCVE-100-133803
SecurityFocus: 108008 - Cisco Wireless LAN Controller IAPP Message Handling Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 04/18/2019 20:24
Updated: 09/04/2023 14:22
Changes: 04/18/2019 20:24 (65), 05/30/2020 16:26 (4), 09/04/2023 14:22 (14)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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