CVE-2018-1000520

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Source
https://cve.org/CVERecord?id=CVE-2018-1000520
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1000520.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-1000520
Downstream
Published
2018-06-26T16:29:01.353Z
Modified
2026-03-12T22:44:42.562480Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtlssslgetverifyresult() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be exploitable via Peers negotiate a TLS-ECDH-RSA-* ciphersuite. Any of the peers can then provide an ECDSA-signed certificate, when only an RSA-signed one should be accepted..

References

Affected packages

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
32605dc83042d737e715a685e53176388d73540e
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.7.0"
        }
    ]
}

Affected versions

Other
beta-oob-2
list
mbedos-2016q1-oob1
mbedos-2016q1-oob2
mbedos-2016q1-oob3
mbedos-release-15-11
mbedos-techcon-oob2
mbedos-16.*
mbedos-16.01-release
mbedos-16.03-release
mbedtls-1.*
mbedtls-1.3.10
mbedtls-1.4-dtls-preview
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
mbedtls-2.7.0-rc1
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.3
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-2.2.1
yotta-2.2.2
yotta-2.2.3
yotta-2.3.0
yotta-2.3.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1000520.json"