CVE-2018-18521 (GCVE-0-2018-18521)
Vulnerability from cvelistv5 – Published: 2018-10-19 17:00 – Updated: 2024-08-05 11:15
VLAI
EPSS
VEX
Summary
Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.
Severity
5.5 (Medium)
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://sourceware.org/ml/elfutils-devel/2018-q4/… | x_refsource_MISC |
| https://sourceware.org/bugzilla/show_bug.cgi?id=23786 | x_refsource_MISC |
| https://usn.ubuntu.com/4012-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://access.redhat.com/errata/RHSA-2019:2197 | vendor-advisoryx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Date Public
2018-10-19 00:00
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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-03-02T09:07:55+00:00",
"cve": "CVE-2018-18521",
"id": "CVE-2018-18521",
"initial_release_date": "2018-10-17T00:00:00+00:00",
"product_status:fixed": "443",
"product_status:known_affected": "9",
"product_status:known_not_affected": "9",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "elfutils: Divide-by-zero in arlib_add_symbols function in arlib.c",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-18521.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-09-05T23:48:26Z",
"cve": "CVE-2018-18521",
"id": "CVE-2018-18521",
"initial_release_date": "2023-02-15T04:22:36Z",
"product_status:known_affected": "545",
"product_status:recommended": "1102",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2018-18521",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-18521.json",
"version": "51"
}
}
}
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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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