CVE-2020-26264

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Summary

CVECVE-2020-26264
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-11 17:15:00 UTC
Updated2020-12-14 18:06:00 UTC
DescriptionGo Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.25 a denial-of-service vulnerability can make a LES server crash via malicious GetProofsV2 request from a connected LES client. This vulnerability only concerns users explicitly enabling les server; disabling les prevents the exploit. The vulnerability was patched in version 1.9.25.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ethereum Go Ethereum All All All All
Application Ethereum Go Ethereum All All All All

References

ReferenceSourceLinkTags
LES Server DoS via GetProofsV2 · Advisory · ethereum/go-ethereum · GitHub CONFIRM github.com Third Party Advisory
les: fix GetProofsV2 bug (#21896) · ethereum/go-ethereum@bddd103 · GitHub MISC github.com Patch, Third Party Advisory
Release Marljeh (v1.9.25) · ethereum/go-ethereum · GitHub MISC github.com Third Party Advisory
les: fix GetProofsV2 bug by zsfelfoldi · Pull Request #21896 · ethereum/go-ethereum · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 982037 Go (go) Security Update for github.com/ethereum/go-ethereum/les (GHSA-r33q-22hv-j29q)
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