GHSA-53c4-hhmh-vw5q

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Source
https://github.com/advisories/GHSA-53c4-hhmh-vw5q
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/12/GHSA-53c4-hhmh-vw5q/GHSA-53c4-hhmh-vw5q.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-53c4-hhmh-vw5q
Aliases
Related
Published
2022-12-14T21:38:31Z
Modified
2023-12-06T00:46:57.127091Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Helm vulnerable to denial of service through through repository index file
Details

Fuzz testing, by Ada Logics and sponsored by the CNCF, identified input to functions in the _repo_ package that can cause a segmentation violation. Applications that use functions from the _repo_ package in the Helm SDK can have a Denial of Service attack when they use this package and it panics.

Impact

The _repo_ package contains a handler that processes the index file of a repository. For example, the Helm client adds references to chart repositories where charts are managed. The _repo_ package parses the index file of the repository and loads it into structures Go can work with. Some index files can cause array data structures to be created causing a memory violation.

Applications that use the _repo_ package in the Helm SDK to parse an index file can suffer a Denial of Service when that input causes a panic that cannot be recovered from.

The Helm Client will panic with an index file that causes a memory violation panic. Helm is not a long running service so the panic will not affect future uses of the Helm client.

Patches

This issue has been resolved in 3.10.3.

Workarounds

SDK users can validate index files that are correctly formatted before passing them to the _repo_ functions.

For more information

Helm's security policy is spelled out in detail in our SECURITY document.

Credits

Disclosed by Ada Logics in a fuzzing audit sponsored by CNCF.

References

Affected packages

Go / helm.sh/helm/v3

Package

Name
helm.sh/helm/v3
View open source insights on deps.dev
Purl
pkg:golang/helm.sh/helm/v3

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.10.3