CVE-2020-11735

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-11735
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11735.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-11735
Downstream
Published
2020-06-25T14:15:11Z
Modified
2025-10-15T11:30:11.415550Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."

References

Affected packages

Git / github.com/wolfssl/wolfssl

Affected ranges

Type
GIT
Repo
https://github.com/wolfssl/wolfssl
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1de07da61f0c8e9926dcbd68119f73230dae283f
Fixed
e116c89a58af750421d82ece13f80516d2bde02e

Affected versions

Other

WCv4-rng-stable
WCv4-stable
l
list
wolfRand-RC2

WCv4.*

WCv4.0-RC5
WCv4.0-RC6
WCv4.0-RC8
WCv4.0-RC9

v0.*

v0.5

v1.*

v1.8.8.0
v1.9.0

v2.*

v2.0.2
v2.0.3
v2.0.6
v2.0.8
v2.0rc1
v2.0rc2
v2.0rc2b
v2.0rc3
v2.1.1
v2.1.2
v2.1.4
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.4.0
v2.4.2
v2.4.6
v2.4.7
v2.5.0
v2.5.2
v2.5.2b
v2.6.0
v2.6.2
v2.7.0
v2.7.2
v2.8.0
v2.8.2
v2.8.3
v2.8.4
v2.8.5
v2.8.5a
v2.8.6
v2.9.0
v2.9.1
v2.9.2
v2.9.4

v3.*

v3.0.0
v3.0.2
v3.1.0
v3.10.0-stable
v3.10.0a
v3.10.2-stable
v3.10.3
v3.10.4
v3.11.0-stable
v3.11.1-tls13-beta
v3.12.0-stable
v3.12.2-stable
v3.13.0-stable
v3.13.2
v3.13.3
v3.14.0-stable
v3.14.0a
v3.14.0b
v3.14.2
v3.14.4
v3.14.5
v3.15.0-stable
v3.15.3-stable
v3.15.5-stable
v3.15.5a
v3.15.6
v3.15.7-stable
v3.15.8
v3.2.0
v3.2.4
v3.2.6
v3.3.0
v3.3.3
v3.4.0
v3.4.2
v3.4.6
v3.4.8
v3.6.0
v3.6.0b
v3.6.2
v3.6.6
v3.6.8
v3.6.9
v3.6.9b
v3.6.9c
v3.6.9d
v3.69.d
v3.7.0
v3.7.1
v3.7.3
v3.8.0
v3.9.0
v3.9.1
v3.9.10-stable
v3.9.10b
v3.9.6
v3.9.6w
v3.9.8

v4.*

v4.0.0-stable
v4.1.0-stable
v4.2.0-stable
v4.2.0c
v4.3.0-stable

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfcrypt/src/ecc.c",
            "function": "wc_ecc_make_pub_ex"
        },
        "digest": {
            "function_hash": "12453600844308520391004439692268381860",
            "length": 2579.0
        },
        "id": "CVE-2020-11735-2b85560a",
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfcrypt/src/ecc.c"
        },
        "digest": {
            "line_hashes": [
                "96603185095916770125792954183452474850",
                "38250133329086103080177838132793969647",
                "9060452406094865973612503486446241354",
                "225207769404366714606204338138696621490",
                "283153563472883957360160522903582725039",
                "159685523023891775141480428442391016203",
                "199960452612047191061151339633503559205",
                "297384364710785629785762767357715844976",
                "177275058675798426556785971627950100807",
                "240691747942126286872048680067599453132",
                "179591802186505395602968180988659226608",
                "140164006849338754487963884224498970596",
                "4316907989075688933157750280319572358",
                "16465522683080724058306567309833833230",
                "302960092636546694020043336132940803434",
                "90966792483288711858881059675194719619",
                "142965097491983694344136443580701102110",
                "310969968630026219598719613172242263588",
                "135023956255157738610804704638310191334",
                "164847037193785591790877954249978341410",
                "74534511445357059254527358965424936570",
                "48277186209666766806815777751052574828",
                "267443257108938999083331695920285490218",
                "306577635669135136693550840397129720271",
                "114014397379503567829186519546631716296",
                "222154079167919896471503976422304199839",
                "120756688414178906819507728691138238572",
                "279225727604889185438341943699544001895",
                "239471537473074596606731364436112087644",
                "5689508054984920255468004192129591133",
                "322489153541784567715340482247479733301",
                "209584414414913589305783680585030256634",
                "132977044490010253591276988253242235234",
                "45030574565440800458053645461835523385",
                "211453573811715173659428761904875956987",
                "78283713739895319521299329901137374837",
                "149746987469014105618297566262058983230",
                "145944290522431605363686393015993164895",
                "113314816354100806517899448190274521506"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-11735-332657a1",
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfcrypt/src/ecc.c",
            "function": "ecc_map"
        },
        "digest": {
            "function_hash": "289505148823265107650654003071223560984",
            "length": 4510.0
        },
        "id": "CVE-2020-11735-599ddaa7",
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfcrypt/src/tfm.c"
        },
        "digest": {
            "line_hashes": [
                "298905883783545839822930393656872290213",
                "81324661606034461482529564186815825162",
                "138829977749813286436087712652179301584",
                "151141636543894413799912531652413815492",
                "201454776721931913503904621163522145309",
                "193027003164333758941385416350184820757"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-11735-5e443460",
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfssl/wolfcrypt/tfm.h"
        },
        "digest": {
            "line_hashes": [
                "237714472113237602455322231878356952747",
                "40163633692851564681565756525871783871",
                "100206842400463310310614191814232805562",
                "161046344140480706824429781279093653857",
                "161363950191962766372394636447474860201",
                "284045604405183877232256202175454482668",
                "129050836973562617583536337207421303853",
                "200575401767982906708866001463118776089"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-11735-bfb52575",
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfcrypt/src/ecc.c",
            "function": "wc_ecc_shared_secret_gen_sync"
        },
        "digest": {
            "function_hash": "157075545383430237151326064961768633671",
            "length": 1780.0
        },
        "id": "CVE-2020-11735-cdd313d9",
        "signature_type": "Function",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/wolfssl/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f",
        "deprecated": false,
        "target": {
            "file": "wolfssl/wolfcrypt/ecc.h"
        },
        "digest": {
            "line_hashes": [
                "175881337748838037225360907000818424653",
                "89673624396793668156548240716943245374",
                "9093841286313074506873180683787720357",
                "115486769718738760917260190387395467703"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-11735-df6876aa",
        "signature_type": "Line",
        "signature_version": "v1"
    }
]