Mac Os XOperating system · Apple

CVE-2007-5863

HIGH · 9.3 CVSS v2.0 Published 2007-12-19
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Software Update in Apple Mac OS X 10.5.1 allows remote attackers to execute arbitrary commands via a man-in-the-middle (MITM) attack between the client and the server, using a modified distribution definition file with the "allow-external-scripts" option.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The Software Update mechanism in Mac OS X 10.5.1 does not properly authenticate distribution definition files, allowing a man-in-the-middle attacker to inject a modified file containing the 'allow-external-scripts' option. This enables arbitrary command execution with root privileges on the client system.

MitigationUpgrade to a patched version of Mac OS X beyond 10.5.1. If upgrade is not possible, avoid using Software Update on untrusted networks and consider using a VPN or verified patch distribution.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Mac Os XOperating system
Affected:= 10.5.1
Mac Os X ServerOperating system
Affected:= 10.5.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
M
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the exact Mac OS X version
    Use the 'About This Mac' feature or run 'sw_vers' in Terminal to confirm the precise version number
    Affected if The system is running Mac OS X 10.5.1 or Mac OS X Server 10.5.1 exactly (no other versions are affected)
  2. Confirm Software Update is configured
    Check if Software Update preferences are set and the system is configured to receive updates (look for scheduled update checks in System Preferences > Software Update)
    Affected if Software Update is enabled on a vulnerable version
  3. Verify network exposure
    Determine if the system has accessed Software Update over a network that could be intercepted (unsecured WiFi, shared network)
    Affected if The system uses Software Update on untrusted networks while running the vulnerable version

A system is affected only if it is running exactly Mac OS X 10.5.1 or Mac OS X Server 10.5.1 with Software Update enabled and has used it on a network where a man-in-the-middle attack is possible

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade to a patched version of Mac OS X beyond 10.5.1. If upgrade is not possible, avoid using Software Update on untrusted networks and consider using a VPN or verified patch distribution.

Recommended fix High confidence

macOS 10.15 (Catalina) or later - any supported macOS version beyond 10.5.1 that includes security updates

  1. 1. Back up all important data on the Mac before making any system changes.
  2. 2. Download a supported, later version of macOS (such as macOS 10.15 Catalina or later) from the Mac App Store or Apple's official website.
  3. 3. Ensure the Mac is connected to a stable power source during the upgrade process.
  4. 4. Run the macOS installer and follow the on-screen instructions to complete the upgrade.
  5. 5. After upgrading, verify the system is running the new version by checking 'About This Mac'.
  6. 6. Ensure Software Update is configured to automatically check for updates in System Preferences > Software Update.
Caveat Legacy applications designed for Mac OS X 10.5 may not be compatible with newer macOS versions; verify application compatibility before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Mac Os X Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2007-5863 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2007-5863 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data