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

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CVE-2012-4503

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
05/11/2013
Last modified:
11/04/2025

Description

cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:* 1.28 (including)
cpe:2.3:a:tuxfamily:chrony:1.0:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.1:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.21:pre1:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.23:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.23:pre1:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.23.1:*:*:*:*:*:*:*
cpe:2.3:a:tuxfamily:chrony:1.24:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools