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CVE
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CVE-2020-13900Date: (C)2020-06-12   (M)2023-12-22


An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_preparse in sdp.c has a NULL pointer dereference.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L64
https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L74
https://github.com/meetecho/janus-gateway/pull/2214
https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13900

CWE    1
CWE-476

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