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CVE-2012-4503

Date: October 3, 2022

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.

Language: C

Severity Score

Related Resources (8)

http://seclists.org/oss-sec/2013/q3/332
http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=c6fdeeb6bb0b17dc28c19ae492c4a1c498e54ea3
http://www.debian.org/security/2013/dsa-2760
http://permalink.gmane.org/gmane.comp.time.chrony.announce/15
https://nvd.nist.gov/vuln/detail/CVE-2012-4503
https://bugzilla.redhat.com/show_bug.cgi?id=846392
https://security-tracker.debian.org/tracker/CVE-2012-4503
https://www.mend.io/vulnerability-database/CVE-2012-4503

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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