VAR-200610-0513
Vulnerability from variot - Updated: 2025-04-10 23:19Intoto iGateway VPN and iGateway SSL-VPN allow context-dependent attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification, a related issue to CVE-2006-2940. Intoto iGateway VPN and iGateway SSL-VPN There is a service disruption (CPU consumption ) There is a vulnerability that becomes a condition.
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TITLE: Intoto iGateway VPN / SSL-VPN Denial of Service Vulnerability
SECUNIA ADVISORY ID: SA22206
VERIFY ADVISORY: http://secunia.com/advisories/22206/
CRITICAL: Moderately critical
IMPACT: DoS
WHERE:
From remote
SOFTWARE: Intoto iGateway SSL-VPN http://secunia.com/product/12172/ Intoto iGateway VPN http://secunia.com/product/12171/
DESCRIPTION: A vulnerability has been reported in Intoto iGateway VPN and Intoto iGateway SSL-VPN, which can be exploited by malicious people to cause a DoS (Denial of Service). This can be exploited to cause a DoS via specially crafted X.509 certificates.
SOLUTION: Reportedly, patch can be obtained by contacting Intoto at support@intoto.com.
PROVIDED AND/OR DISCOVERED BY: Originally reported in OpenSSL by Dr S. N Henson. Reported in Intoto iGateway VPN / SSL-VPN by the vendor.
ORIGINAL ADVISORY: http://www.uniras.gov.uk/niscc/docs/re-20060928-00661.pdf?lang=en
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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