Vulnerability-Lookup

CNVD-2020-20390

Vulnerability from cnvd - Published: 2020-03-31

Title

GNU Libextractor堆缓冲区溢出漏洞（CNVD-2020-20390

Description

GNU Libextractor是GNU计划的一套用于从文件中提取元数据的库。 GNU Libextractor 1.9及之前版本中的plugins/dvi_extractor.c文件的‘EXTRACTOR_dvi_extract_method’函数存在堆缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Patch Name

GNU Libextractor堆缓冲区溢出漏洞（CNVD-2020-20390的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://bugs.gnunet.org/view.php?id=5846

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-15531

Impacted products

Name
GNU Libextractor <=1.9

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15531",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15531"
    }
  },
  "description": "GNU Libextractor\u662fGNU\u8ba1\u5212\u7684\u4e00\u5957\u7528\u4e8e\u4ece\u6587\u4ef6\u4e2d\u63d0\u53d6\u5143\u6570\u636e\u7684\u5e93\u3002\n\nGNU Libextractor 1.9\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684plugins/dvi_extractor.c\u6587\u4ef6\u7684\u2018EXTRACTOR_dvi_extract_method\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugs.gnunet.org/view.php?id=5846",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-20390",
  "openTime": "2020-03-31",
  "patchDescription": "GNU Libextractor\u662fGNU\u8ba1\u5212\u7684\u4e00\u5957\u7528\u4e8e\u4ece\u6587\u4ef6\u4e2d\u63d0\u53d6\u5143\u6570\u636e\u7684\u5e93\u3002\r\n\r\nGNU Libextractor 1.9\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684plugins/dvi_extractor.c\u6587\u4ef6\u7684\u2018EXTRACTOR_dvi_extract_method\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "GNU Libextractor\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-20390\u7684\u8865\u4e01",
  "products": {
    "product": "GNU Libextractor \u003c=1.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15531",
  "serverity": "\u4e2d",
  "submitTime": "2019-08-26",
  "title": "GNU Libextractor\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-20390"
}

CVE-2019-15531 (GCVE-0-2019-15531)

Vulnerability from cvelistv5 – Published: 2019-08-23 16:03 – Updated: 2024-08-05 00:49

Summary

GNU Libextractor through 1.9 has a heap-based buffer over-read in the function EXTRACTOR_dvi_extract_method in plugins/dvi_extractor.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://bugs.gnunet.org/view.php?id=5846	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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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.

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.

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Action not permitted

CNVD-2020-20390

CVE-2019-15531 (GCVE-0-2019-15531)

Tags

Sightings

Nomenclature

Related by attack behaviour