SERVER-APACHE -- Snort has detected traffic exploiting vulnerabilities in Apache servers.
SERVER-APACHE Apache Chunked-Encoding worm attempt
Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet Information Server (IIS) 4.0 and 5.0 allows attackers to cause a denial of service or execute arbitrary code via HTR requests with long variable names. Impact: CVSS base score 7.5 CVSS impact score 6.4 CVSS exploitability score 10.0 confidentialityImpact PARTIAL integrityImpact PARTIAL availabilityImpact PARTIAL Details: Ease of Attack:
No public information
No known false positives
Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].
Tactic:
Technique:
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
CVE-2002-0071Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet Information Server (IIS) 4.0 and 5.0 allows attackers to cause a denial of service or execute arbitrary code via HTR requests with long variable names. |
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CVE-2002-0079Buffer overflow in the chunked encoding transfer mechanism in Internet Information Server (IIS) 4.0 and 5.0 Active Server Pages allows attackers to cause a denial of service or execute arbitrary code. |
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CVE-2002-0392Apache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size. |
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