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CVE-2016-10722: partclone.fat in Partclone before 0.2.88 is prone to a heap-based buffer overflow vulnerability due to insu...

partclone.fat in Partclone before 0.2.88 is prone to a heap-based buffer overflow vulnerability due to insufficient validation of the FAT superblock, related to the mark_reserved_sectors function. An attacker may be able to execute arbitrary code in the context of the user running the affected application.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Partclone's FAT handling before version 0.2.88 can be crashed or potentially hijacked by a malicious FAT filesystem image. Business risk is highest where backup, imaging, recovery, or forensic workflows process filesystems from untrusted devices or customers.

Executive priority

Treat as a targeted operational risk, not a broad internet emergency. Prioritize remediation where Partclone handles third-party, removable, or customer-supplied FAT media, especially in privileged backup or recovery jobs.

Technical view

CVE-2016-10722 is a heap-based buffer overflow in partclone.fat caused by insufficient FAT superblock validation, related to mark_reserved_sectors. The reported impact is possible arbitrary code execution as the user running the affected application.

Likely exposure

Exposure is most likely on systems using Partclone to clone, restore, inspect, or automate FAT filesystem images, especially removable media or externally supplied disk images. Generic servers are unlikely to be exposed unless they process FAT images with Partclone.

Exploitation context

The source bundle does not cite active exploitation, and CISA KEV status is false. Exploitation would require the vulnerable tool to process a crafted FAT filesystem or image. Impact rises if Partclone runs with elevated privileges in automated workflows.

Researcher notes

Public metadata is sparse: no CVSS vector, no CWE, and incomplete affected-product CPE data in the bundle. The strongest technical details are the named component, version boundary, heap overflow class, insufficient validation root cause, and possible code execution impact.

Mitigation direction

  • Upgrade Partclone deployments to 0.2.88 or later where applicable.
  • Check operating system package advisories for backported fixes.
  • Avoid processing untrusted FAT images with vulnerable partclone.fat.
  • Run image-processing workflows with least-privileged accounts.
  • Isolate backup or forensic processing of external media.

Validation and detection

  • Inventory systems and pipelines that invoke Partclone or partclone.fat.
  • Confirm installed Partclone versions are not before 0.2.88.
  • Review whether workflows process FAT images from untrusted sources.
  • Check distribution changelogs for CVE-2016-10722 backports.
  • Verify automation does not run Partclone with unnecessary privileges.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2016-10722 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.