CVE-2017-18187

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Source
https://cve.org/CVERecord?id=CVE-2017-18187
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18187.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-18187
Downstream
Related
Published
2018-02-14T17:29:00.237Z
Modified
2026-04-11T15:23:13.792286Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the sslparseclientpskidentity() function in library/ssl_srv.c.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/Mbed-TLS/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/Mbed-TLS/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
32605dc83042d737e715a685e53176388d73540e
Database specific 
{
    "cpe": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.7.0"
        }
    ],
    "source": "CPE_FIELD"
}

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0-rc1
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
yotta-2.*
yotta-2.3.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18187.json"

Git / github.com/mbed-tls/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
83c9f495ffe70c7dd280b41fdfd4881485a3bc28
Database specific 
{
    "source": "REFERENCES"
}

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
yotta-2.*
yotta-2.3.1

Database specific

vanir_signatures_modified 
"2026-04-11T15:23:13Z"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "146705795122806448969502256052171142492",
                "250739608582514144555358197331282491043",
                "138311258465109895060410760846872072497",
                "226521422758386904350980188820999931980",
                "166683699188758028603646729933607871728",
                "135889021735654070488482182026670372764",
                "179663835056930844441641430651641120248",
                "26630778509266565837874525009607955193"
            ]
        },
        "id": "CVE-2017-18187-2d89a41b",
        "signature_type": "Line",
        "target": {
            "file": "library/ssl_srv.c"
        },
        "source": "https://github.com/mbed-tls/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "function_hash": "121718152799964170990906735473705715749",
            "length": 1429.0
        },
        "id": "CVE-2017-18187-601b0b25",
        "signature_type": "Function",
        "target": {
            "file": "library/ssl_srv.c",
            "function": "ssl_parse_client_psk_identity"
        },
        "source": "https://github.com/mbed-tls/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28",
        "deprecated": false
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18187.json"