Pulse Secure Pulse Connect Secure up to 8.1R13/8.2R10/8.3R4 XML Data XML Document resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Pulse Secure Pulse Connect Secure up to 8.1R13/8.2R10/8.3R4. This impacts an unknown function of the component XML Data Handler. The manipulation as part of XML Document results in resource management. This vulnerability was named CVE-2018-9849. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Pulse Secure Pulse Connect Secure up to 8.1R13/8.2R10/8.3R4. Affected is some unknown functionality of the component XML Data Handler. The manipulation as part of a XML Document leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

Pulse Secure Pulse Connect Secure 8.1.x before 8.1R14, 8.2.x before 8.2R11, and 8.3.x before 8.3R5 do not properly process nested XML entities, which allows remote attackers to cause a denial of service (memory consumption and memory errors) via a crafted XML document.

The bug was discovered 04/07/2018. The weakness was presented 05/10/2018 (Website). The advisory is shared for download at kb.pulsesecure.net. This vulnerability is traded as CVE-2018-9849 since 04/07/2018. 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 vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109919 (Pulse Connect Secure Multiple Vulnerabilities (SA43730)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l.

Upgrading to version 8.1R14, 8.2R11 or 8.3R5 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 (109919) and SecurityFocus (BID 104160†). See VDB-94614, VDB-95312, VDB-99766 and VDB-128139 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109919
Nessus Name: Pulse Connect Secure Multiple Vulnerabilities (SA43730)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pulse Connect Secure 8.1R14/8.2R11/8.3R5

Timelineinfo

04/07/2018 🔍
04/07/2018 +0 days 🔍
04/29/2018 +22 days 🔍
05/10/2018 +10 days 🔍
05/10/2018 +0 days 🔍
05/10/2018 +0 days 🔍
05/10/2018 +0 days 🔍
05/18/2018 +8 days 🔍
02/04/2020 +627 days 🔍

Sourcesinfo

Advisory: kb.pulsesecure.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9849 (🔍)
GCVE (CVE): GCVE-0-2018-9849
GCVE (VulDB): GCVE-100-117588
SecurityFocus: 104160 - Pulse Connect Secure CVE-2018-9849 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 05/10/2018 21:40
Updated: 02/04/2020 10:24
Changes: 05/10/2018 21:40 (69), 02/04/2020 10:24 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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