UBUNTU-CVE-2021-28963

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Source
https://ubuntu.com/security/CVE-2021-28963
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28963.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-28963
Upstream
Downstream
Related
Published
2021-03-22T08:15:00Z
Modified
2025-10-24T04:50:15Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

References

Affected packages

Ubuntu:16.04:LTS / shibboleth-sp2

Package

Name
shibboleth-sp2
Purl
pkg:deb/ubuntu/shibboleth-sp2@2.5.3+dfsg-2.1build1?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*

2.5.3+dfsg-2.1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "libapache2-mod-shib2"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "libshibsp-dev"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "libshibsp-plugins"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "libshibsp6"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "shibboleth-sp2-common"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "shibboleth-sp2-schemas"
        },
        {
            "binary_version": "2.5.3+dfsg-2.1build1",
            "binary_name": "shibboleth-sp2-utils"
        }
    ]
}

Ubuntu:18.04:LTS / shibboleth-sp2

Package

Name
shibboleth-sp2
Purl
pkg:deb/ubuntu/shibboleth-sp2@2.6.1+dfsg1-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

2.*

2.6.0+dfsg1-4
2.6.0+dfsg1-5
2.6.0+dfsg1-5build1
2.6.1+dfsg1-1
2.6.1+dfsg1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "libapache2-mod-shib2"
        },
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "libshibsp-dev"
        },
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "libshibsp-plugins"
        },
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "libshibsp7"
        },
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "shibboleth-sp2-common"
        },
        {
            "binary_version": "2.6.1+dfsg1-2",
            "binary_name": "shibboleth-sp2-utils"
        }
    ]
}

Ubuntu:20.04:LTS / shibboleth-sp

Package

Name
shibboleth-sp
Purl
pkg:deb/ubuntu/shibboleth-sp@3.0.4+dfsg1-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.4+dfsg1-1ubuntu0.1

Affected versions

3.*

3.0.4+dfsg1-1
3.0.4+dfsg1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "libapache2-mod-shib"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "libapache2-mod-shib2"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "libshibsp-dev"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "libshibsp-plugins"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "libshibsp8"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "shibboleth-sp-common"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "shibboleth-sp-utils"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "shibboleth-sp2-common"
        },
        {
            "binary_version": "3.0.4+dfsg1-1ubuntu0.1",
            "binary_name": "shibboleth-sp2-utils"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / shibboleth-sp

Package

Name
shibboleth-sp
Purl
pkg:deb/ubuntu/shibboleth-sp@3.3.0+dfsg1-1?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*

3.2.2+dfsg1-1ubuntu1
3.3.0+dfsg1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "libapache2-mod-shib"
        },
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "libshibsp-dev"
        },
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "libshibsp-plugins"
        },
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "libshibsp10"
        },
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "shibboleth-sp-common"
        },
        {
            "binary_version": "3.3.0+dfsg1-1",
            "binary_name": "shibboleth-sp-utils"
        }
    ]
}