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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2760-1 chrony security update
EUVD EUVD EUVD-2012-4431 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-09-17T04:24:42.253Z

Reserved: 2012-08-21T00:00:00Z

Link: CVE-2012-4502

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2013-11-05T21:55:08.047

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-4502

cve-icon Redhat

Severity : Moderate

Publid Date: 2013-08-09T00:00:00Z

Links: CVE-2012-4502 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses