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github.com/ipfs/go-bitfield

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 5.9GoPublished

    IPFS go-bitfield vulnerable to DoS via malformed size arguments

    CVE-2023-23626 · GHSA-2h6c-j3gf-xp9r

    Affected
    • Go github.com/ipfs/go-bitfield < 1.1.0
    Fixed in
    1.1.0· Vendor fix available
    Issue
    Impact When feeding untrusted user input into the size parameter of NewBitfield and FromBytes functions, an attacker can trigger panics. This happen when the size is a not a multiple of 8 or is negative. There were already a note in the NewBitfield documentation: But it incomplete and missing from FromBytes's documentation. This has been replaced by returning an (Bitfield, error) and returning a non nil error if the size is wrong. Patches - https://github.com/ipfs/go-bitfield/commit/5e1d256fe043fc4163343ccca83862c69c52e579 Workarounds - Ensure size%8 == 0 && size = 0 yourself before calling NewBitfield or FromBytes References - https://github.com/ipfs/go-unixfs/security/advisories/GHSA-q264-w97q-q778

    Recommended action: Upgrade to 1.1.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →