Pulse Secure Pulse Connect Secure up to 8.3R3 Web Server memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Pulse Secure Pulse Connect Secure up to 8.3R3. This affects an unknown part of the component Web Server. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2018-5299. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Pulse Secure Pulse Connect Secure up to 8.3R3. This affects an unknown code of the component Web Server. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A stack-based Buffer Overflow Vulnerability exists in the web server in Pulse Secure Pulse Connect Secure (PCS) before 8.3R4 and Pulse Policy Secure (PPS) before 5.4R4, leading to memory corruption and possibly remote code execution.

The bug was discovered 01/08/2018. The weakness was disclosed 01/16/2018 (Website). It is possible to read the advisory at kb.pulsesecure.net. This vulnerability is uniquely identified as CVE-2018-5299 since 01/08/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. 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 8 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.3R4 eliminates this vulnerability.

The entry VDB-111924 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pulse Connect Secure 8.3R4

Timelineinfo

01/08/2018 🔍
01/08/2018 +0 days 🔍
01/16/2018 +8 days 🔍
01/16/2018 +0 days 🔍
01/17/2018 +1 days 🔍
12/23/2019 +705 days 🔍

Sourcesinfo

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

CVE: CVE-2018-5299 (🔍)
GCVE (CVE): GCVE-0-2018-5299
GCVE (VulDB): GCVE-100-111927
See also: 🔍

Entryinfo

Created: 01/17/2018 08:00
Updated: 12/23/2019 19:19
Changes: 01/17/2018 08:00 (59), 12/23/2019 19:19 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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