Vulnerability-Lookup

CNVD-2021-11057

Vulnerability from cnvd - Published: 2021-02-20

Title

libmysofa空指针解引用漏洞（CNVD-2021-11057）

Description

libmysofa是一款用于读取AES SOFA文件的轻量级C库。 libmysofa 0.5 - 1.1存在空指针解引用漏洞。该漏洞源于verifyAttribute函数对输入数据的处理未能正确。攻击者可利用该漏洞导致分段错误和应用程序崩溃。

Severity

中

Patch Name

libmysofa空指针解引用漏洞（CNVD-2021-11057）的补丁

Patch Description

libmysofa是一款用于读取AES SOFA文件的轻量级C库。 libmysofa 0.5 - 1.1存在空指针解引用漏洞。该漏洞源于verifyAttribute函数对输入数据的处理未能正确。攻击者可利用该漏洞导致分段错误和应用程序崩溃。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/hoene/libmysofa/pull/145

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36148

Impacted products

Name
libmysofa libmysofa >=0.5，<=1.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-36148",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-36148"
    }
  },
  "description": "libmysofa\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u53d6AES SOFA\u6587\u4ef6\u7684\u8f7b\u91cf\u7ea7C\u5e93\u3002\n\nlibmysofa 0.5 - 1.1\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8everifyAttribute\u51fd\u6570\u5bf9\u8f93\u5165\u6570\u636e\u7684\u5904\u7406\u672a\u80fd\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/hoene/libmysofa/pull/145",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-11057",
  "openTime": "2021-02-20",
  "patchDescription": "libmysofa\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u53d6AES SOFA\u6587\u4ef6\u7684\u8f7b\u91cf\u7ea7C\u5e93\u3002\r\n\r\nlibmysofa 0.5 - 1.1\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8everifyAttribute\u51fd\u6570\u5bf9\u8f93\u5165\u6570\u636e\u7684\u5904\u7406\u672a\u80fd\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2021-11057\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libmysofa libmysofa \u003e=0.5\uff0c\u003c=1.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36148",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-09",
  "title": "libmysofa\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2021-11057\uff09"
}

CVE-2020-36148 (GCVE-0-2020-36148)

Vulnerability from cvelistv5 – Published: 2021-02-08 20:13 – Updated: 2024-08-04 17:23

Summary

Incorrect handling of input data in verifyAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/hoene/libmysofa/issues/138	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

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          }
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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.