Vulnerability-Lookup

CNVD-2020-14713

Vulnerability from cnvd - Published: 2020-02-29

Title

Oniguruma堆缓冲区溢出漏洞

Description

Oniguruma是一款开源的正则表达式库。 Oniguruma 6.9.3及之前版本（使用在PHP 7.3.x版本及其他产品）中的regexec.c文件的str_lower_case_match存在缓冲区错误漏洞。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

Oniguruma堆缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-19246

Impacted products

Name
Oniguruma Oniguruma <=6.9.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19246",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19246"
    }
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  "description": "Oniguruma\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u3002\n\nOniguruma 6.9.3\u53ca\u4e4b\u524d\u7248\u672c\uff08\u4f7f\u7528\u5728PHP 7.3.x\u7248\u672c\u53ca\u5176\u4ed6\u4ea7\u54c1\uff09\u4e2d\u7684regexec.c\u6587\u4ef6\u7684str_lower_case_match\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\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://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-14713",
  "openTime": "2020-02-29",
  "patchDescription": "Oniguruma\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5e93\u3002\r\n\r\nOniguruma 6.9.3\u53ca\u4e4b\u524d\u7248\u672c\uff08\u4f7f\u7528\u5728PHP 7.3.x\u7248\u672c\u53ca\u5176\u4ed6\u4ea7\u54c1\uff09\u4e2d\u7684regexec.c\u6587\u4ef6\u7684str_lower_case_match\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\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": "Oniguruma\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Oniguruma Oniguruma \u003c=6.9.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19246",
  "serverity": "\u4e2d",
  "submitTime": "2019-11-26",
  "title": "Oniguruma\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-19246 (GCVE-0-2019-19246)

Vulnerability from cvelistv5 – Published: 2019-11-25 16:16 – Updated: 2024-08-05 02:09

Summary

Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

5 references

URL	Tags
https://github.com/kkos/oniguruma/commit/d3e40292…	x_refsource_MISC
https://bugs.php.net/bug.php?id=78559	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4460-1/	vendor-advisoryx_refsource_UBUNTU

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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-2020-14713

CVE-2019-19246 (GCVE-0-2019-19246)

Tags

Sightings

Nomenclature

Related by attack behaviour