CVE-2020-24753

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Source

https://nvd.nist.gov/vuln/detail/CVE-2020-24753

Import Source

https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-24753.json

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2020-24753

Published

2020-09-17T18:15:12Z

Modified

2025-06-30T21:42:13Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

A memory corruption vulnerability in Objective Open CBOR Run-time (oocborrt) in versions before 2020-08-12 could allow an attacker to execute code via crafted Concise Binary Object Representation (CBOR) input to the cbor2json decoder. An uncaught error while decoding CBOR Major Type 3 text strings leads to the use of an attacker-controllable uninitialized stack value. This can be used to modify memory, causing a crash or potentially exploitable heap corruption.

References

Affected packages

Git / github.com/objsys/oocborrt

Affected ranges

Type: GIT
Repo: https://github.com/objsys/oocborrt
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

539851c66778f68a244633985f6f8d0df94ea3b3

Database specific

{
    "vanir_signatures": [
        {
            "id": "CVE-2020-24753-2f009dab",
            "signature_type": "Function",
            "digest": {
                "function_hash": "15965622230956711754229119114543034177",
                "length": 3014.0
            },
            "target": {
                "file": "util/cbor2json.c",
                "function": "cbor2json"
            },
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://github.com/objsys/oocborrt/commit/539851c66778f68a244633985f6f8d0df94ea3b3"
        },
        {
            "id": "CVE-2020-24753-404f680d",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "29850197593772512274951254950921194779",
                    "271994113519099298892212239242160950176",
                    "74768455046856666486715132268908730478",
                    "232839377084919003884958033439447754040"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "util/cbor2json.c"
            },
            "deprecated": false,
            "signature_version": "v1",
            "source": "https://github.com/objsys/oocborrt/commit/539851c66778f68a244633985f6f8d0df94ea3b3"
        }
    ]
}