Pulse Secure Pulse Connect Secure up to 2020-04-06 Applet tncc.jar excessive authentication

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CVSS Meta Temp Score
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7.0$0-$5k0.00

A vulnerability was found in Pulse Secure Pulse Connect Secure up to 2020-04-06 and classified as critical. This issue affects an unknown function of the file tncc.jar of the component Applet Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-307. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, launches a TCP server that accepts local connections on a random port. This can be reached by local HTTP clients, because up to 25 invalid lines are ignored, and because DNS rebinding can occur. (This server accepts, for example, a setcookie command that might be relevant to CVE-2020-11581 exploitation.)

The weakness was shared 04/06/2020. The identification of this vulnerability is CVE-2020-11582 since 04/06/2020. An attack has to be approached locally. The successful exploitation requires a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries 152788 and 152787 are related to this item.

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VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Information disclosure
CWE: CWE-307
ATT&CK: T1110.001

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Countermeasuresinfoedit

Recommended: no mitigation known
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Timelineinfoedit

04/06/2020 🔍
04/06/2020 +0 days 🔍
04/07/2020 +1 days 🔍
10/07/2020 +183 days 🔍

Sourcesinfoedit

Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11582 (🔍)
See also: 🔍

Entryinfoedit

Created: 04/07/2020 08:37 AM
Updated: 10/07/2020 02:04 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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