CVE-2020-12821
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.6%
Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| protocol:gossipsub | protocol gossipsub | eq | 1.0 |
References
bitcoin.stackexchange.com/questions/61151/eclipse-attack-vs-sybil-attack
gateway.ipfs.io/ipfs/QmPWuNBs8h6a8KamRvGqhTq5UDYJRQsEEy37zDKjujQQQm/Gossipsub%20Evaluation%20Report.pdf
github.com/ipfs/blog/pull/450
github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md
github.com/libp2p/specs/tree/master/pubsub/gossipsub
Related
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.6%