Vulnerability CVE-2012-4503
Published: 2013-11-05   Modified: 2013-11-06

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.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Tuxfamily -> Chrony 

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