CVE-2017-18258 (GCVE-0-2017-18258)
Vulnerability from cvelistv5 – Published: 2018-04-08 17:00 – Updated: 2024-08-05 21:13
VLAI
EPSS
VEX
Summary
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
Severity
6.5 (Medium)
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3739-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://git.gnome.org/browse/libxml2/commit/?id=e… | x_refsource_MISC |
| https://kc.mcafee.com/corporate/index?page=conten… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2019071… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
Date Public
2018-04-08 00:00
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"cve": "CVE-2017-18258",
"id": "CVE-2017-18258",
"initial_release_date": "2017-09-07T00:00:00+00:00",
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"source": "Red Hat CSAF VEX",
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"title": "libxml2: Unrestricted memory usage in xz_head() function in xzlib.c",
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"id": "CVE-2017-18258",
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"source": "SUSE CSAF VEX",
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"title": "SUSE CVE CVE-2017-18258",
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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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