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CVE Record

CVE-2005-2743: The Java extensions for QuickTime 6.52 and earlier in Apple Mac OS X 10.3.9 allow untrusted applets to call...

The Java extensions for QuickTime 6.52 and earlier in Apple Mac OS X 10.3.9 allow untrusted applets to call arbitrary functions in system libraries, which allows remote attackers to execute arbitrary code.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's Takehigh

Analyst readout for executives and security teams

Plain-English summary

This is an old Apple QuickTime Java extension flaw that could let a malicious Java applet run code on Mac OS X 10.3.9 systems. Business risk is concentrated in legacy machines, archived environments, or specialist workflows still using QuickTime 6.52 or earlier.

Executive priority

Treat as high priority only where legacy Apple systems remain in service. For normal modern fleets, urgency is mainly asset-discovery driven: confirm absence of affected hosts, then close the finding with evidence.

Technical view

The CVE describes untrusted Java applets invoking arbitrary functions in system libraries through QuickTime Java extensions 6.52 and earlier on Apple Mac OS X 10.3.9, enabling remote arbitrary code execution. The bundle does not include CVSS, CWE, exploit details, or confirmed fix text.

Likely exposure

Exposure is likely limited to legacy Apple Mac OS X 10.3.9 systems with QuickTime Java extensions 6.52 or earlier. Modern macOS fleets are unlikely affected unless old systems, VMs, or lab machines remain operational.

Exploitation context

The source bundle supports remote code execution through untrusted applets. It does not cite active exploitation, public exploit availability, or CISA KEV listing, so active exploitation should not be assumed.

Researcher notes

Key gaps are important: no CVSS vector, CWE, affected CPEs, exploit status, or explicit fix content is included in the bundle. Analysis should stay bounded to QuickTime Java extensions 6.52 and earlier on Mac OS X 10.3.9.

Mitigation direction

  • Inventory Mac OS X 10.3.9 systems and QuickTime Java extension versions.
  • Review Apple advisory APPLE-SA-2005-09-22 for vendor remediation details.
  • Retire, isolate, or tightly restrict legacy affected hosts.
  • Disable legacy browser Java applet exposure where operationally possible.
  • Block internet access from systems that cannot be remediated.

Validation and detection

  • Confirm whether any host runs Mac OS X 10.3.9.
  • Check installed QuickTime version and Java extension presence.
  • Identify browsers or workflows capable of loading Java applets.
  • Review network logs for legacy hosts accessing untrusted web content.
  • Document exceptions for systems that cannot be upgraded or retired.
Prepared
Confidence
medium
Sources
6

Public sources used

Based on public source material and reviewed before publication.

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 · low confidence lookup

CVE-2005-2743 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
5Source 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.