CVE-2018-20021 (GCVE-0-2018-20021)
Vulnerability from cvelistv5 – Published: 2018-12-19 16:00 – Updated: 2024-08-05 11:51
VLAI
EPSS
VEX
Summary
LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM
Severity
7.5 (High)
CWE
- Denial of Service
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2019/dsa-4383 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://ics-cert.kaspersky.com/advisories/klcert-… | x_refsource_MISC |
| https://usn.ubuntu.com/3877-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.gentoo.org/glsa/201908-05 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/202006-06 | vendor-advisoryx_refsource_GENTOO |
| https://usn.ubuntu.com/4547-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4547-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4587-1/ | vendor-advisoryx_refsource_UBUNTU |
Impacted products
Date Public
2018-12-19 00:00
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"redhat_vex": {
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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.
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.
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