Vulnerability-Lookup

GSD-2020-15945

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Aliases

CVE-2020-15945

Aliases

CVE-2020-15945

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-15945",
    "description": "Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.",
    "id": "GSD-2020-15945",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-15945.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "modified": "2023-12-13T01:21:43.284992Z",
      "schema_version": "1.4.0"
    }
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          "affected_versions": "All versions up to 5.4.0",
          "cvss_v2": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
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          "cwe_ids": [
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          "date": "2020-08-11",
          "description": "Lua has a segmentation fault in `changedline` in `ldebug.c` (e.g., when called by `luaG_traceexec`) because it incorrectly expects that an `oldpc` value is always updated upon a return of the flow of control to a function.",
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          "identifier": "CVE-2020-15945",
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          "not_impacted": "",
          "package_slug": "conan/lua",
          "pubdate": "2020-07-24",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Buffer Overflow",
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            "accessVector": "LOCAL",
            "authentication": "NONE",
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          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-20T18:39Z",
      "publishedDate": "2020-07-24T21:15Z"
    }
  }
}

CVE-2020-15945 (GCVE-0-2020-15945)

Vulnerability from cvelistv5 – Published: 2020-07-24 20:05 – Updated: 2025-02-19 14:35

Summary

Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://lua-users.org/lists/lua-l/2020-07/msg00123.html
https://github.com/lua/lua/commit/a2195644d89812e…
https://www.lua.org/bugs.html#5.4.0-8

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"
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        ],
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          "url": "https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"
        },
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          "url": "https://www.lua.org/bugs.html#5.4.0-8"
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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.

Detection rules are retrieved from Rulezet.

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.

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.

Action not permitted

GSD-2020-15945

CVE-2020-15945 (GCVE-0-2020-15945)

Tags

Sightings

Nomenclature

Related by attack behaviour