CVE-2020-13114

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-13114
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13114.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-13114
Downstream
Related
Published
2020-05-21T16:15:10Z
Modified
2025-10-22T18:09:16.220262Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data.

References

Affected packages

Git / github.com/libexif/exif

Affected ranges

Type
GIT
Repo
https://github.com/libexif/exif
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
edad134a28caaa7ea324b8c075bde52da05ad7d9

Affected versions

Other

cvs-migration
exif-0_6-release
exif-0_6_15-release
exif-0_6_17-release
exif-0_6_18-release
exif-0_6_19-release
exif-0_6_20-release
exif-0_6_21-release
exif-0_6_9-release

Git / github.com/libexif/exif

Affected ranges

Type
GIT
Repo
https://github.com/libexif/libexif
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab

Affected versions

Other

cvs-migration
libexif-0_5_7-rc2
libexif-0_5_7-rc3
libexif-0_5_7-rc4
libexif-0_5_7-release
libexif-0_5_9-release
libexif-0_6_12-release
libexif-0_6_14-release
libexif-0_6_15-release
libexif-0_6_16-release
libexif-0_6_17-release
libexif-0_6_18-release
libexif-0_6_19-release
libexif-0_6_20-release
libexif-0_6_21-release
libexif-before-0_6_0-api-change

Database specific

vanir_signatures

[
    {
        "id": "CVE-2020-13114-2913e4b7",
        "target": {
            "file": "libexif/canon/exif-mnote-data-canon.c"
        },
        "digest": {
            "line_hashes": [
                "183661055639346139562865211106879471593",
                "102180397425500091626994875092804653997",
                "306305871760784389225367867808059433294",
                "207782849275302793484543269879757525988",
                "299962798900018550672650127921689935553",
                "137645713422839848331569839100485136820",
                "65281336464964645892986813792569762885",
                "136226467884528459531799921885828871006",
                "211654736396785424026722509724167862913",
                "164442592703984623745953044333516937576"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2020-13114-2b6322a1",
        "target": {
            "function": "exif_mnote_data_canon_load",
            "file": "libexif/canon/exif-mnote-data-canon.c"
        },
        "digest": {
            "length": 2731.0,
            "function_hash": "275829830554807676188843136336972106671"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab",
        "signature_type": "Function"
    }
]