Vulnerability-Lookup

CNVD-2017-37719

Vulnerability from cnvd - Published: 2017-12-21

Title

CPython 'PyString_DecodeEscape'函数整数溢出漏洞

Description

Python是Python软件基金会的一套开源的、面向对象的程序设计语言，该语言具有可扩展、支持模块和包、支持多种平台等特点。CPython（又名Python）是一款用C语言实现的Python解释器。 CPython 2.7.13及之前的版本中的stringobject.c文件的'PyString_DecodeEscape'函数存在整数溢出漏洞。攻击者可利用该漏洞造成堆缓冲区溢出并可能执行任意代码。

Severity

高

Patch Name

CPython 'PyString_DecodeEscape'函数整数溢出漏洞的补丁

Patch Description

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://bugs.python.org/issue30657

Reference

https://bugs.python.org/issue30657

Impacted products

Name
Python Python <=2.7.13

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-1000158",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000158"
    }
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  "discovererName": "unknwon",
  "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://bugs.python.org/issue30657",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37719",
  "openTime": "2017-12-21",
  "patchDescription": "Python\u662fPython\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684\u3001\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\uff0c\u8be5\u8bed\u8a00\u5177\u6709\u53ef\u6269\u5c55\u3001\u652f\u6301\u6a21\u5757\u548c\u5305\u3001\u652f\u6301\u591a\u79cd\u5e73\u53f0\u7b49\u7279\u70b9\u3002CPython\uff08\u53c8\u540dPython\uff09\u662f\u4e00\u6b3e\u7528C\u8bed\u8a00\u5b9e\u73b0\u7684Python\u89e3\u91ca\u5668\u3002\r\n\r\nCPython 2.7.13\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684stringobject.c\u6587\u4ef6\u7684\u0027PyString_DecodeEscape\u0027\u51fd\u6570\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u5e76\u53ef\u80fd\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "CPython \u0027PyString_DecodeEscape\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Python Python \u003c=2.7.13"
  },
  "referenceLink": "https://bugs.python.org/issue30657",
  "serverity": "\u9ad8",
  "submitTime": "2017-11-24",
  "title": "CPython \u0027PyString_DecodeEscape\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-1000158 (GCVE-0-2017-1000158)

Vulnerability from cvelistv5 – Published: 2017-11-17 00:00 – Updated: 2026-10-08 21:03

Summary

CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-08 20:56 UTC

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2267 records in the last 180 days details

References

9 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2017…	mailing-list
https://lists.debian.org/debian-lts-announce/2018…	mailing-list
https://bugs.python.org/issue30657
http://www.securitytracker.com/id/1039890	vdb-entry
https://lists.debian.org/debian-lts-announce/2017…	mailing-list
https://www.debian.org/security/2018/dsa-4307	vendor-advisory
https://lists.debian.org/debian-lts-announce/2018…	mailing-list
https://security.gentoo.org/glsa/201805-02	vendor-advisory
https://security.netapp.com/advisory/ntap-2023021…

Date Public

2017-11-16 00:00

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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                "timestamp": "2026-10-08T20:56:18.929966Z",
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    "cna": {
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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.

Vulnerability timeline

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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.

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