Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service provider allowed content injection due to allowing attacker-controlled parameters in error or other status pages. An attacker could use this to inject malicious content.
{
"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"
}
{
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2021-28963"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4925-1.json"