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

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CVE-2011-2503

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
26/07/2012
Last modified:
11/04/2025

Description

The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.

Impact

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

Base Score: 3.70 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
3.70
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:* 1.5 (including)
cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools