PEERSTITCH Malware Deployed via FortiOS Flaw Bypasses Checks on Tagged VPN Sessions
Unit 42 says CL-STA-0954 used Fortinet flaws to deploy memory-resident PEERSTITCH against a telecom provider.
An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS 6.2.0 through 6.2.16, FortiOS 6.0 all versions, FortiPAM 1.2.0, FortiPAM 1.1.0 through 1.1.2, FortiPAM 1.0.0 through 1.0.3, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.15, FortiSwitchManager 7.2.0 through 7.2.3, FortiSwitchManager 7.0.0 through 7.0.3 allows an unauthenticated attacker to seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.
Unit 42 says CL-STA-0954 used Fortinet flaws to deploy memory-resident PEERSTITCH against a telecom provider.
Unit 42 details PEERSTITCH, a memory-resident implant used against FortiGate firewalls at a telecom MSP.
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