National Vulnerability Database

National Vulnerability Database

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CVE-2012-4503 Detail

Current 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.

Source:  MITRE
Description Last Modified:  11/05/2013
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git;a=commitdiff;h=c6fdeeb6bb0b17dc28c19ae492c4a1c498e54ea3 Exploit Patch
http://permalink.gmane.org/gmane.comp.time.chrony.announce/15 Vendor Advisory
http://seclists.org/oss-sec/2013/q3/332 Patch
http://www.debian.org/security/2013/dsa-2760
https://bugzilla.redhat.com/show_bug.cgi?id=846392

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4503
NVD Published Date:
11/05/2013
NVD Last Modified:
11/06/2013