Fortinet Single Sign On up to 4.2 Agent collectoragent.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Fortinet Single Sign On up to 4.2. This vulnerability affects unknown code of the file collectoragent.exe of the component Agent. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2015-2281. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Fortinet Single Sign On up to 4.2. This vulnerability affects some unknown functionality of the file collectoragent.exe of the component Agent. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in collectoragent.exe in Fortinet Single Sign On (FSSO) before build 164 allows remote attackers to execute arbitrary code via a large PROCESS_HELLO message to the Message Dispatcher on TCP port 8000.

The weakness was published 03/19/2015 by Core Security with Core Security as confirmed posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2015-2281 since 03/10/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed by Core Security and been published before and not just after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. 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 $0-$5k.

Upgrading to version 4.3 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19742.

The vulnerability is also documented in the databases at Exploit-DB (36422), SecurityFocus (BID 73206†), OSVDB (119719†) and Vulnerability Center (SBV-54680†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍
Access: Public
Status: Proof-of-Concept
Author: Core Security
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Single Sign On 4.3
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

03/10/2015 🔍
03/18/2015 +8 days 🔍
03/18/2015 +0 days 🔍
03/18/2015 +0 days 🔍
03/18/2015 +0 days 🔍
03/19/2015 +1 days 🔍
03/19/2015 +0 days 🔍
03/30/2015 +11 days 🔍
11/30/2015 +245 days 🔍
05/04/2025 +3443 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: securityfocus.com⛔
Researcher: Core Security
Organization: Core Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2281 (🔍)
GCVE (CVE): GCVE-0-2015-2281
GCVE (VulDB): GCVE-100-74440
SecurityFocus: 73206 - Multiple Fortinet Single Sign On Products CVE-2015-2281 Stack Buffer Overflow Vulnerability
OSVDB: 119719
Vulnerability Center: 54680 - Fortinet Single Sign On (FSSO) Remote Code Execution via a Large PROCESS_HELLO Message, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/30/2015 12:39
Updated: 05/04/2025 11:28
Changes: 03/30/2015 12:39 (56), 05/09/2018 11:40 (20), 05/04/2025 11:28 (16)
Complete: 🔍
Cache ID: 216:83C:103

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

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