CVE-2007-4243
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 · uneditedUnspecified vulnerability in pfilter-reporter.pl in Astaro Security Gateway (ASG) 7 allows remote attackers to cause a denial of service (CPU consumption) via certain network traffic, as demonstrated by P2P and iTunes applications that download large amounts of data.
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 · moderate confidenceA denial of service vulnerability exists in the pfilter-reporter.pl component of Astaro Security Gateway version 7. The vulnerability allows remote attackers to cause excessive CPU consumption by sending certain network traffic patterns, specifically large data transfers from P2P and iTunes applications.
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= 7.0= 7.001= 7.002= 7.003= 7.004= 7.005= 7.006CVSS 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
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
AV:N/AC:L/Au:N/C:N/I:N/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 checksWork through these to decide whether this CVE applies to you.
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Confirm Astaro Security Gateway is installedIdentify the installed product by checking system information, running 'hostname' or checking for Astaro-specific files in /opt/astaro or similar installation directoriesAffected if The system is not running Astaro Security Gateway - then this CVE does not apply
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Check the installed version numberRun 'rpm -q astaro-security-gateway' or check /etc/asg_version, or use the Astaro command line interface to display the versionAffected if The version number matches 7.0, 7.001, 7.002, 7.003, 7.004, 7.005, or 7.006 - these are the affected versions
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Locate the pfilter-reporter.pl componentSearch for the pfilter-reporter.pl file in the installation directory, typically under /opt/astaro or the web gateway documentation rootAffected if The pfilter-reporter.pl script exists on the system - this confirms the vulnerable component is present
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Determine if the system processes P2P or iTunes trafficReview firewall or network configuration to see if the system is configured to handle peer-to-peer or iTunes traffic streams that could trigger the vulnerabilityAffected if The Astaro gateway is actively processing or inspecting large P2P or iTunes data transfers - this is the traffic pattern that triggers the CPU consumption issue
A user is affected if they are running Astaro Security Gateway version 7.0 through 7.006 with the pfilter-reporter.pl component present and the system handling P2P or iTunes network traffic
Generated from the published advisory. Verify against your own configuration.
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.
From vendor dataUpgrade to a patched version of Astaro Security Gateway if available, or implement network-level traffic filtering and rate limiting to restrict excessive P2P/iTunes traffic before it reaches the vulnerable component.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2007-4243 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2007-4243 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- 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
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