Vulnerability-Lookup

CNVD-2020-02552

Vulnerability from cnvd - Published: 2020-01-17

Title

libmysofa栈缓冲区溢出漏洞

Description

libmysofa是一款用于读取AES SOFA文件的库。 libmysofa 2019-11-24之前版本中存在安全漏洞，该漏洞源于程序未能限制递归函数的调用。攻击者可利用该漏洞造成拒绝服务。

Severity

高

Patch Name

libmysofa栈缓冲区溢出漏洞的补丁

Patch Description

libmysofa是一款用于读取AES SOFA文件的库。 libmysofa 2019-11-24之前版本中存在安全漏洞，该漏洞源于程序未能限制递归函数的调用。攻击者可利用该漏洞造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20016

Impacted products

Name
libmysofa libmysofa <2019-11-24

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20016",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-20016"
    }
  },
  "description": "libmysofa\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u53d6AES SOFA\u6587\u4ef6\u7684\u5e93\u3002\n\nlibmysofa 2019-11-24\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u9012\u5f52\u51fd\u6570\u7684\u8c03\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-02552",
  "openTime": "2020-01-17",
  "patchDescription": "libmysofa\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u53d6AES SOFA\u6587\u4ef6\u7684\u5e93\u3002\r\n\r\nlibmysofa 2019-11-24\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u9012\u5f52\u51fd\u6570\u7684\u8c03\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "libmysofa\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libmysofa libmysofa \u003c2019-11-24"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20016",
  "serverity": "\u9ad8",
  "submitTime": "2019-12-27",
  "title": "libmysofa\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-20016 (GCVE-0-2019-20016)

Vulnerability from cvelistv5 – Published: 2019-12-27 01:12 – Updated: 2024-08-05 02:32

Summary

libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/hoene/libmysofa/issues/83	x_refsource_MISC
https://github.com/hoene/libmysofa/issues/84	x_refsource_MISC
https://github.com/hoene/libmysofa/commit/2e6fac6…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T02:32:10.482Z",
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          },
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            "url": "https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f"
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          "url": "https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f"
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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.