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CVE Record

CVE-2003-1013: The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of...

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a crash flaw in old Ethereal and Tethereal packet analysis tools. A malformed Q.931 packet can make the dissector hit a null dereference and stop the application. Business impact is mainly loss of availability for legacy monitoring or analysis workflows, not data theft based on the provided sources. Exposure is most likely on legacy systems still running Ethereal before 0.10.0 or Tethereal, especially packet capture analysis stations, network monitoring hosts, or old distribution packages referenced by vendor advisories. Treat as a legacy hygiene issue unless these tools still support monitoring operations. Prioritize remediation where packet analysis hosts ingest untrusted traffic or captures. Mitigation focus: Upgrade Ethereal to 0.10.0 or a vendor-supported fixed package.; Remove Ethereal/Tethereal where they are no longer operationally required.; Avoid processing untrusted Q.931 traffic or captures on vulnerable installations..

Prepared

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

Potential ATT&CK relevance

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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

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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