CVE-2016-3119

The processdbargs function in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x through 1.14.1 mishandles the DB argument, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

References

Affected packages

Alpine:v3.4 / krb5

Package

Name: krb5
Purl: pkg:apk/alpine/krb5?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.14-r2

Affected versions

1.*

1.11-r0

1.11-r1

1.11-r2

1.11.2-r0

1.11.2-r1

1.11.2-r2

1.11.3-r0

1.11.4-r0

1.12.1-r0

1.12.2-r0

1.13-r0

1.13-r1

1.13.1-r0

1.13.1-r1

1.13.2-r0

1.13.2-r1

1.13.2-r2

1.14-r0

1.14-r1

Git / github.com/krb5/krb5

Affected ranges

Type: GIT
Repo: https://github.com/krb5/krb5
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

08c642c09c38a9c6454ab43a9b53b2a89b9eef99

Type: GIT
Repo: https://github.com/krb5/krb5-appl
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Last affected

dd4493a82d7395615f1c379a125c61aeb79a29c1

Database specific

{
    "vanir_signatures": [
        {
            "id": "CVE-2016-3119-69632881",
            "signature_type": "Function",
            "target": {
                "file": "src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c",
                "function": "process_db_args"
            },
            "digest": {
                "function_hash": "182495350258615914864353268036573521388",
                "length": 1890.0
            },
            "source": "https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99",
            "signature_version": "v1",
            "deprecated": false
        },
        {
            "id": "CVE-2016-3119-cfff9bf4",
            "signature_type": "Line",
            "target": {
                "file": "src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c"
            },
            "digest": {
                "line_hashes": [
                    "24445841302081938003210580042065884435",
                    "313536785405792098730377874457343453112",
                    "48154515352199858062151739170266415443",
                    "270282537340677201132454849868526947895"
                ],
                "threshold": 0.9
            },
            "source": "https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99",
            "signature_version": "v1",
            "deprecated": false
        }
    ]
}