CVE-2015-1821 - CVE House
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Status published Medium CVE-2015-1821

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated...

Vulnerability Description

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2012-4503
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CVE-2012-4502
Multiple integer overflows in pktlength.c in Chrony before 1.29 allow...
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CVE-2010-0294
chronyd in Chrony before 1.23.1, and possibly 1.24-pre1, generates a...
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CVE-2010-0293
The client logging functionality in chronyd in Chrony before 1.23.1...
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Affected Vendor

Affected Software

chrony, debian linux
Vulnerable Versions:
0, 7.0

Timeline

Official Publish: April 16th, 2015
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.