CVE-2020-36476

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-36476
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-36476.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-36476
Related
Published
2021-08-23T02:15:06Z
Modified
2025-05-24T03:21:26.746588Z
Downstream
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtlssslread to erase unused application data from memory.

References

Affected packages

Debian:11 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.9-0.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.9-0.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/debian/mbedtls?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16.9-0.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
8be0e6db41b4a085e90cb03983f99d3a5158d450
Fixed
848a4e06b375e067552f1a21d4bc69322c673217
Type
GIT
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
523f0554b6cdc7ace5d360885c3f5bbcc73ec0e8
Fixed
523f0554b6cdc7ace5d360885c3f5bbcc73ec0e8
Fixed
7cd4d2dadb5fdc8410ee667f062646bd28f37e62
Fixed
7cd4d2dadb5fdc8410ee667f062646bd28f37e62
Fixed
848a4e06b375e067552f1a21d4bc69322c673217
Fixed
848a4e06b375e067552f1a21d4bc69322c673217

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-2.10.0
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-2.17.0
mbedtls-2.18.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
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-2.3.0
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
mbedtls-2.7.1
mbedtls-2.7.10
mbedtls-2.7.11
mbedtls-2.7.12
mbedtls-2.7.13
mbedtls-2.7.14
mbedtls-2.7.15
mbedtls-2.7.16
mbedtls-2.7.2
mbedtls-2.7.2-rc1
mbedtls-2.7.3
mbedtls-2.7.4
mbedtls-2.7.5
mbedtls-2.7.6
mbedtls-2.7.7
mbedtls-2.7.8
mbedtls-2.7.9
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0

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

v2.*

v2.16.7
v2.23.0
v2.7.16

yotta-2.*

yotta-2.2.1
yotta-2.2.2
yotta-2.2.3
yotta-2.3.0
yotta-2.3.1