CVE-2016-6817 (GCVE-0-2016-6817)
Vulnerability from cvelistv5 – Published: 2017-08-10 22:00 – Updated: 2024-10-15 19:01
VLAI
EPSS
VEX
Summary
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-15 17:30 UTC
CWE
- Denial of Service
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1037330 | vdb-entryx_refsource_SECTRACK |
| https://lists.apache.org/thread.html/a9f24571460a… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2018060… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/94462 | vdb-entryx_refsource_BID |
| https://lists.apache.org/thread.html/343558d98287… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/b5e3f51d28cd… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/88855876c33f… | mailing-listx_refsource_MLIST |
| https://lists.apache.org/thread.html/6af47120905a… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
9.0.0.M1 to 9.0.0.M11
Affected: 8.5.0 to 8.5.6 |
guessed |
Date Public
2016-11-22 00:00
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"redhat_vex": {
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"initial_release_date": "2016-11-22T00:00:00+00:00",
"product_status:known_not_affected": "6",
"product_status:under_investigation": "5",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "tomcat: Infinite loop in HTTP/2 header parser",
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}
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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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