UBUNTU-CVE-2021-35472

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2021-35472
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-35472.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-35472
Upstream
Published
2021-07-30T14:15:00Z
Modified
2025-10-24T04:50:25Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.

References

Affected packages

Ubuntu:16.04:LTS / lemonldap-ng

Package

Name
lemonldap-ng
Purl
pkg:deb/ubuntu/lemonldap-ng@1.4.6-3?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*

1.3.3-1
1.4.6-1
1.4.6-2
1.4.6-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.6-3",
            "binary_name": "lemonldap-ng"
        },
        {
            "binary_version": "1.4.6-3",
            "binary_name": "liblemonldap-ng-common-perl"
        },
        {
            "binary_version": "1.4.6-3",
            "binary_name": "liblemonldap-ng-conf-perl"
        },
        {
            "binary_version": "1.4.6-3",
            "binary_name": "liblemonldap-ng-handler-perl"
        },
        {
            "binary_version": "1.4.6-3",
            "binary_name": "liblemonldap-ng-manager-perl"
        },
        {
            "binary_version": "1.4.6-3",
            "binary_name": "liblemonldap-ng-portal-perl"
        }
    ]
}

Ubuntu:18.04:LTS / lemonldap-ng

Package

Name
lemonldap-ng
Purl
pkg:deb/ubuntu/lemonldap-ng@1.9.16-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*

1.9.10-1
1.9.13-2
1.9.14-1
1.9.15-1
1.9.16-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.16-2",
            "binary_name": "lemonldap-ng"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "lemonldap-ng-fastcgi-server"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "lemonldap-ng-handler"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "liblemonldap-ng-common-perl"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "liblemonldap-ng-handler-perl"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "liblemonldap-ng-manager-perl"
        },
        {
            "binary_version": "1.9.16-2",
            "binary_name": "liblemonldap-ng-portal-perl"
        }
    ]
}

Ubuntu:20.04:LTS / lemonldap-ng

Package

Name
lemonldap-ng
Purl
pkg:deb/ubuntu/lemonldap-ng@2.0.7+ds-2?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*

2.0.5+ds-2
2.0.6+ds-2
2.0.7+ds-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "lemonldap-ng"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "lemonldap-ng-fastcgi-server"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "lemonldap-ng-handler"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "lemonldap-ng-uwsgi-app"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "liblemonldap-ng-common-perl"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "liblemonldap-ng-handler-perl"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "liblemonldap-ng-manager-perl"
        },
        {
            "binary_version": "2.0.7+ds-2",
            "binary_name": "liblemonldap-ng-portal-perl"
        }
    ]
}