Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2007-3999

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
05/09/2007
Last modified:
09/04/2025

Description

Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and some third-party applications that use krb5, allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long string in an RPC message.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools