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CVE Record

CVE-2002-0403: DNS dissector in Ethereal before 0.9.3 allows remote attackers to cause a denial of service (CPU consumptio...

DNS dissector in Ethereal before 0.9.3 allows remote attackers to cause a denial of service (CPU consumption) via a malformed packet that causes Ethereal to enter an infinite loop.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2002-0403 is a denial-of-service flaw in Ethereal versions before 0.9.3. A malformed DNS packet can make the DNS dissector loop endlessly, consuming CPU and disrupting packet analysis on the affected machine. Exposure is most likely on legacy systems still running Ethereal before 0.9.3, especially analyst workstations or servers that inspect DNS traffic or open untrusted packet captures. Modern exposure cannot be inferred from the bundle. Treat this as a legacy availability issue. It is unlikely to drive broad enterprise risk unless old Ethereal deployments remain in operational, forensic, or lab environments. Mitigation focus: Upgrade Ethereal to 0.9.3 or later where still installed.; Use vendor-patched packages from the relevant distribution advisory.; Avoid processing untrusted packet captures on vulnerable Ethereal versions..

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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

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0CVSS vectors
0Timeline events
0ADP providers
1Source 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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