CVE-2007-4400
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 · uneditedCRLF injection vulnerability in the included media script in Konversation allows user-assisted remote attackers to execute arbitrary IRC commands via CRLF sequences in the name of the song in a .mp3 file.
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 confidenceKonversation, a KDE IRC client, contains a media script that processes metadata from MP3 files. The script fails to sanitize CRLF (carriage return/line feed) sequences in the song title field of MP3 metadata, allowing an attacker to inject arbitrary IRC commands by crafting a malicious .mp3 file with newlines in the song name field.
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 dataall versionsCVSS 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
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
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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Verify Konversation is installedCheck for Konversation installation using package manager or file system. Common paths: /usr/bin/konversation, /usr/local/bin/konversation, or run 'which konversation' or 'dpkg -l | grep konversation' (Debian) / 'rpm -qa | grep konversation' (RPM-based)Affected if Konversation is found on the system
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Confirm the media script is enabledLook for the media script configuration in Konversation settings or config files (typically in ~/.kde/share/config/konversationrc or ~/.config/konversationrc). Check for 'MediaPlayer' or script-related settings that process MP3 metadataAffected if The media script or external player integration is configured and enabled in Konversation
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Check for MP3 file playback historyReview Konversation's internal logs, recent files, or the media script's input history to see if MP3 files have been played. Inspect the media script's working directory for recently processed filesAffected if MP3 files have been played or processed through Konversation's media script feature
A user is affected if Konversation is installed and its media script feature has been used to play MP3 files, since all versions of Konversation contain the vulnerable unsanitized MP3 metadata processing.
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 dataImplement strict input validation to strip or escape CRLF sequences and other control characters when processing song metadata from MP3 files before using the data in IRC command contexts. Users should avoid playing MP3 files from untrusted sources.
- Consultation1.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2007-4400 — 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-2007-4400 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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- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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