CVE-2022-48566

An issue was discovered in comparedigest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.comparedigest.

References

Affected packages

Git / github.com/python/cpython

Affected ranges

Type

GIT

Repo

https://github.com/python/cpython

Events

Introduced

Fixed

aa73e1722eb9835dc99fd8983885a141112ee4ab

Introduced

1bf9cc509326bc42cd8cb1650eb9bf64550d817e

Fixed

9b2dd1fc6c9913dbeee623e724b6baa598038f97

Introduced

fa919fdf2583bdfead1df00e842f24f30b2a34bf

Fixed

6503f05dd59e26a9986bdea097b3da9b3546f45b

Introduced

9cf6752276e6fcfd0c23fdb064ad27f448aaaf75

Fixed

1e5d33e9b9b8631b36f061103a30208b206fd03a

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.6.13"
        },
        {
            "introduced": "3.7.0"
        },
        {
            "fixed": "3.7.10"
        },
        {
            "introduced": "3.8.0"
        },
        {
            "fixed": "3.8.7"
        },
        {
            "introduced": "3.9.0"
        },
        {
            "fixed": "3.9.1"
        }
    ]
}

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48566.json"