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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2012-4502 Detail

Description

Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow. NOTE: versions 1.27 and 1.28 do not require authentication to exploit.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1
http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=7712455d9aa33d0db0945effaa07e900b85987b1
http://permalink.gmane.org/gmane.comp.time.chrony.announce/15 Patch  Vendor Advisory 
http://permalink.gmane.org/gmane.comp.time.chrony.announce/15 Patch  Vendor Advisory 
http://seclists.org/oss-sec/2013/q3/332 Patch 
http://seclists.org/oss-sec/2013/q3/332 Patch 
http://www.debian.org/security/2013/dsa-2760
http://www.debian.org/security/2013/dsa-2760
https://bugzilla.redhat.com/show_bug.cgi?id=846392 Patch 
https://bugzilla.redhat.com/show_bug.cgi?id=846392 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4502
NVD Published Date:
11/05/2013
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.