UBUNTU-CVE-2015-1821

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Source
https://ubuntu.com/security/CVE-2015-1821
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-1821.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2015-1821
Upstream
Published
2015-04-16T14:59:00Z
Modified
2025-07-18T16:43:10Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:14.04:LTS / chrony

Package

Name
chrony
Purl
pkg:deb/ubuntu/chrony@1.29-1ubuntu0.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.29-1ubuntu0.1

Affected versions

1.*

1.26-4
1.29-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "chrony",
            "binary_version": "1.29-1ubuntu0.1"
        },
        {
            "binary_name": "chrony-dbgsym",
            "binary_version": "1.29-1ubuntu0.1"
        }
    ]
}