Fortinet FortiClient up to 6.2.1 on Linux out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Fortinet FortiClient up to 6.2.1 on Linux. The affected element is an unknown function. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2019-17652. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Fortinet FortiClient up to 6.2.1 on Linux. Affected is some unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv data not been well sanitized.

The weakness was published 02/06/2020 (Website). The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2019-17652 since 10/16/2019. It is possible to launch the attack remotely. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

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

Similar entries are available at VDB-149758, VDB-149759 and VDB-149803. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/16/2019 🔍
02/06/2020 +113 days 🔍
02/06/2020 +0 days 🔍
02/06/2020 +0 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Status: Not defined

CVE: CVE-2019-17652 (🔍)
GCVE (CVE): GCVE-0-2019-17652
GCVE (VulDB): GCVE-100-149760
See also: 🔍

Entryinfo

Created: 02/06/2020 19:06
Updated: 02/06/2020 19:11
Changes: 02/06/2020 19:06 (38), 02/06/2020 19:11 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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