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  2. CVE-2019-14261
ID CVE-2019-14261
Summary An issue was discovered on ABUS Secvest FUAA50000 3.01.01 devices. Due to an insufficient implementation of jamming detection, an attacker is able to suppress correctly received RF messages sent between wireless peripheral components, e.g., wireless detectors or remote controls, and the ABUS Secvest alarm central. An attacker is able to perform a "reactive jamming" attack. The reactive jamming simply detects the start of a RF message sent by a component of the ABUS Secvest wireless alarm system, for instance a wireless motion detector (FUBW50000) or a remote control (FUBE50014 or FUBE50015), and overlays it with random data before the original RF message ends. Thereby, the receiver (alarm central) is not able to properly decode the original transmitted signal. This enables an attacker to suppress correctly received RF messages of the wireless alarm system in an unauthorized manner, for instance status messages sent by a detector indicating an intrusion.
References
Vulnerable Configurations
  • cpe:2.3:o:abus:secvest_wireless_alarm_system_fuaa50000_firmware:3.01.01:*:*:*:*:*:*:*
    cpe:2.3:o:abus:secvest_wireless_alarm_system_fuaa50000_firmware:3.01.01:*:*:*:*:*:*:*
  • cpe:2.3:h:abus:secvest_wireless_alarm_system_fuaa50000:-:*:*:*:*:*:*:*
    cpe:2.3:h:abus:secvest_wireless_alarm_system_fuaa50000:-:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 05-09-2019 - 20:37)
Impact:
Exploitability:
CWE CWE-310
CAPEC
  • Signature Spoofing by Key Recreation
    An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE PARTIAL NONE
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:P/A:N
refmap via4
bugtraq 20190730 [SYSS-2019-004]: ABUS Secvest (FUAA50000) - Message Transmission - Unchecked Error Condition (CWE-391)
fulldisc 20190726 [SYSS-2019-004]: ABUS Secvest (FUAA50000) - Message Transmission - Unchecked Error Condition (CWE-391) (CVE-2019-14261)
misc
Last major update 05-09-2019 - 20:37
Published 03-09-2019 - 18:15
Last modified 05-09-2019 - 20:37
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