CVE-2020-36475

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Source
https://cve.org/CVERecord?id=CVE-2020-36475
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36475.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-36475
Downstream
Published
2021-08-23T02:15:06.930Z
Modified
2026-03-10T23:21:07.877445Z
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 Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtlsmpiexp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.

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
Fixed
78d9663acec4ac72af43e2db57fc73a24e856108
Introduced
8be0e6db41b4a085e90cb03983f99d3a5158d450
Fixed
3fac0bae4a50113989b3d015cd2d948f51a6d9ac
Introduced
3f8d78411a26e833db18d9fbde0e2f0baeda87f0
Fixed
1c54b5410fd48d6bcada97e30cac417c5c7eea67
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8254ed2a9fadede8c6bf414072f78fc78d5af61c
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8254ed2a9fadede8c6bf414072f78fc78d5af61c
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.7.18"
        },
        {
            "introduced": "2.8.0"
        },
        {
            "fixed": "2.16.9"
        },
        {
            "introduced": "2.17.0"
        },
        {
            "fixed": "2.25.0"
        },
        {
            "introduced": "0"
        },
        {
            "fixed": "2.2"
        },
        {
            "introduced": "0"
        },
        {
            "fixed": "2.2"
        }
    ]
}
Type
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3fac0bae4a50113989b3d015cd2d948f51a6d9ac
Fixed
1c54b5410fd48d6bcada97e30cac417c5c7eea67
Fixed
78d9663acec4ac72af43e2db57fc73a24e856108

Affected versions

mbedtls-2.*
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.15.0
mbedtls-2.15.1
mbedtls-2.16.0
mbedtls-2.16.1
mbedtls-2.16.2
mbedtls-2.16.3
mbedtls-2.16.4
mbedtls-2.16.5
mbedtls-2.16.6
mbedtls-2.16.7
mbedtls-2.16.8
mbedtls-2.17.0
mbedtls-2.18.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.20.0d1
mbedtls-2.21.0
mbedtls-2.22.0
mbedtls-2.22.0d0
mbedtls-2.23.0
mbedtls-2.24.0
mbedtls-2.8.0
mbedtls-2.9.0
v2.*
v2.16.7
v2.16.8
v2.23.0
v2.24.0

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36475.json"