grin vulnerabilities and fixes

Recent CVEs affecting grin, with upgrade or downgrade steps. 4 tracked.

grin has 4 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 4. Most recent: 2020-07-28. Highest priority: CVE-2019-9195 (score 67/100).

• CVE-2020-6638 HIGH 7.5 UPGRADE Grin through 2.1.1 has Insufficient Validation.
• CVE-2020-15899 HIGH 7.5 UPGRADE Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.
• CVE-2020-12439 MEDIUM 5.3 UPGRADE Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.
• CVE-2019-9195 CRITICAL 9.8 UPGRADE util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files

FAQ

How do I fix grin vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is grin being exploited right now?

None of the tracked grin CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which grin CVE should I patch first?

CVE-2019-9195 currently ranks highest (67/100): util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files.

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