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 This has been replaced by returning an (Bitfield, error) and returning a non nil error if the size is wrong.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.