UBUNTU-CVE-2021-31826

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Source
https://ubuntu.com/security/CVE-2021-31826
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31826.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-31826
Upstream
Published
2021-04-27T04:15:00Z
Modified
2026-04-22T12:53:39.349503Z
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
  • Ubuntu - medium
Summary
[none]
Details

Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

References

Affected packages

Ubuntu:20.04:LTS / shibboleth-sp

Package

Name
shibboleth-sp
Purl
pkg:deb/ubuntu/shibboleth-sp@3.0.4+dfsg1-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.4+dfsg1-1ubuntu0.2

Affected versions

3.*
3.0.4+dfsg1-1
3.0.4+dfsg1-1build1
3.0.4+dfsg1-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libapache2-mod-shib",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "libapache2-mod-shib2",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "libshibsp-plugins",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "libshibsp8",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "shibboleth-sp-common",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "shibboleth-sp-utils",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "shibboleth-sp2-common",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        },
        {
            "binary_name": "shibboleth-sp2-utils",
            "binary_version": "3.0.4+dfsg1-1ubuntu0.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31826.json"