CVE-2011-3493

critical

Published 2011-09-16 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

Description

Multiple stack-based buffer overflows in the DH_OneSecondTick function in Cogent DataHub 7.1.1.63 and earlier allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long (1) domain, (2) report_domain, (3) register_datahub, or (4) slave commands.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-17884 remote windows verified

mr_me · 2011-09-22

Cogent Datahub 7.1.1.63 - Remote Unicode Buffer Overflow

Source code queued for fetch — refresh in a moment.

EDB-17838 dos windows

Luigi Auriemma · 2011-09-14

Cogent DataHub 7.1.1.63 - Stack Overflow

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions
cogentdatahub	cogent_datahub	`{"endIncluding":"7.1.1.63"}`
cogentdatahub	cogent_datahub	`7.0`
cogentdatahub	cogent_datahub	`7.0.2`
cogentdatahub	cogent_datahub	`7.1.0`
cogentdatahub	cogent_datahub	`7.1.1`

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.