CVE-2020-13114

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Source
https://cve.org/CVERecord?id=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
2020-05-21T16:15:10.930Z
Modified
2026-03-15T22:33:17.506Z
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/libexif

Affected ranges

Type
GIT
Repo
https://github.com/libexif/libexif
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3cc7842ca200a4da4bd65850e3c20d5a1811afa7
Fixed
e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.6.22"
        }
    ]
}

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

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13114.json"
vanir_signatures 
[
    {
        "signature_type": "Line",
        "source": "https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab",
        "id": "CVE-2020-13114-2913e4b7",
        "deprecated": false,
        "target": {
            "file": "libexif/canon/exif-mnote-data-canon.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "183661055639346139562865211106879471593",
                "102180397425500091626994875092804653997",
                "306305871760784389225367867808059433294",
                "207782849275302793484543269879757525988",
                "299962798900018550672650127921689935553",
                "137645713422839848331569839100485136820",
                "65281336464964645892986813792569762885",
                "136226467884528459531799921885828871006",
                "211654736396785424026722509724167862913",
                "164442592703984623745953044333516937576"
            ],
            "threshold": 0.9
        }
    },
    {
        "signature_type": "Function",
        "source": "https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab",
        "id": "CVE-2020-13114-2b6322a1",
        "deprecated": false,
        "target": {
            "function": "exif_mnote_data_canon_load",
            "file": "libexif/canon/exif-mnote-data-canon.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2731.0,
            "function_hash": "275829830554807676188843136336972106671"
        }
    }
]
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "19.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "20.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.1"
            }
        ]
    }
]