UBUNTU-CVE-2020-36177

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Source
https://ubuntu.com/security/CVE-2020-36177
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36177.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-36177
Upstream
Published
2021-01-06T16:15:00Z
Modified
2025-10-24T04:48:58Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

RsaPad_PSS in wolfcrypt/src/rsa.c in wolfSSL before 4.6.0 has an out-of-bounds write for certain relationships between key size and digest size.

References

Affected packages

Ubuntu:16.04:LTS

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@3.4.8+dfsg-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.4.8+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libcyassl5"
        },
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "3.4.8+dfsg-1",
            "binary_name": "libwolfssl0"
        }
    ]
}

Ubuntu:18.04:LTS

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@3.13.0+dfsg-1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.10.2+dfsg-2
3.12.0+dfsg-1
3.12.2+dfsg-1
3.13.0+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.13.0+dfsg-1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "3.13.0+dfsg-1",
            "binary_name": "libwolfssl15"
        }
    ]
}

Ubuntu:20.04:LTS

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@4.3.0+dfsg-2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.1.0+dfsg-2
4.2.0+dfsg-1
4.2.0+dfsg-2
4.2.0+dfsg-3
4.3.0+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.3.0+dfsg-2",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "4.3.0+dfsg-2",
            "binary_name": "libwolfssl24"
        }
    ]
}

Ubuntu:22.04:LTS

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@5.2.0-2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.6.0-3

5.*

5.0.0-1
5.1.1-1
5.2.0-1
5.2.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.2.0-2",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "5.2.0-2",
            "binary_name": "libwolfssl32"
        }
    ]
}

Ubuntu:24.04:LTS

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@5.6.6-1.3build1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.5.4-2
5.5.4-2.1
5.6.4-2
5.6.6-1.2
5.6.6-1.3
5.6.6-1.3build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.6.6-1.3build1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "5.6.6-1.3build1",
            "binary_name": "libwolfssl42t64"
        }
    ]
}

Ubuntu:25.04

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@5.7.2-0.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.7.2-0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.7.2-0.1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "5.7.2-0.1",
            "binary_name": "libwolfssl42t64"
        }
    ]
}

Ubuntu:25.10

wolfssl

Package

Name
wolfssl
Purl
pkg:deb/ubuntu/wolfssl@5.7.2-0.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.7.2-0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.7.2-0.1",
            "binary_name": "libwolfssl-dev"
        },
        {
            "binary_version": "5.7.2-0.1",
            "binary_name": "libwolfssl42t64"
        }
    ]
}