GHSA-g3vv-g2j5-45f2 – github.com/ipld/go-codec-dagpb

Package

Manager: go
Name: github.com/ipld/go-codec-dagpb
Vulnerable Version: >=0 <1.3.1

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: N/A pctlN/A

Details

ipld/go-codec-dagpb panics when processing certain blocks ### Impact Decoding certain blocks using the go-ipld-prime version of the dag-pb codec (go-codec-dagpb) can cause a panic. The panic comes from an assumption that the reported link length is accurate, but if the block ends before that reported length then it’s a buffer overread. ### Patches The issue is fixed in v1.3.1 and above. Consumers can discover the versions of `go-codec-dagpb` in a module's dependency graph using the following command in the module root: ```go mod graph | grep go-codec-dagpb``` ### Workarounds You can work around this issue without upgrading by recovering panics higher in the call stack of the goroutine that calls the defective code. ### For more information If you have any questions or comments about this advisory: * Ask in [IPFS Discord #ipld-chatter](https://discord.gg/ipfs) * Open an issue in [go-codec-dagpb](https://github.com/ipld/go-codec-dagpb)

Metadata

Created: 2022-04-08T22:08:45Z
Modified: 2023-08-30T17:56:37Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/04/GHSA-g3vv-g2j5-45f2/GHSA-g3vv-g2j5-45f2.json
CWE IDs: ["CWE-119"]
Alternative ID: N/A
Finding: F316
Auto approve: 1