Vulnerability-Lookup

CNVD-2019-13245

Vulnerability from cnvd - Published: 2019-05-07

Title

Vixie cron拒绝服务漏洞

Description

Vixie cron是基于SysV cron的全功能cron实现。Cron是一个根据命令crontab的输入运行计划任务的守护程序。 Vixie Cron 3.0pl1-133 Debian软件包之前版本存在拒绝服务漏洞。该漏洞源于不检查calloc返回值。本地用户可通过大型crontab文件利用该漏洞导致拒绝服务（守护程序崩溃）。

Severity

低

Patch Name

Vixie cron拒绝服务漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://salsa.debian.org/debian/cron/commit/f2525567

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-9704

Impacted products

Name
Debian Vixie cron <3.0pl1-133

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "107373"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-9704"
    }
  },
  "description": "Vixie cron\u662f\u57fa\u4e8eSysV cron\u7684\u5168\u529f\u80fdcron\u5b9e\u73b0\u3002Cron\u662f\u4e00\u4e2a\u6839\u636e\u547d\u4ee4crontab\u7684\u8f93\u5165\u8fd0\u884c\u8ba1\u5212\u4efb\u52a1\u7684\u5b88\u62a4\u7a0b\u5e8f\u3002\n\nVixie Cron 3.0pl1-133 Debian\u8f6f\u4ef6\u5305\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u68c0\u67e5calloc\u8fd4\u56de\u503c\u3002\u672c\u5730\u7528\u6237\u53ef\u901a\u8fc7\u5927\u578bcrontab\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5b88\u62a4\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Florian Weimer",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://salsa.debian.org/debian/cron/commit/f2525567",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-13245",
  "openTime": "2019-05-07",
  "patchDescription": "Vixie cron\u662f\u57fa\u4e8eSysV cron\u7684\u5168\u529f\u80fdcron\u5b9e\u73b0\u3002Cron\u662f\u4e00\u4e2a\u6839\u636e\u547d\u4ee4crontab\u7684\u8f93\u5165\u8fd0\u884c\u8ba1\u5212\u4efb\u52a1\u7684\u5b88\u62a4\u7a0b\u5e8f\u3002\r\n\r\nVixie Cron 3.0pl1-133 Debian\u8f6f\u4ef6\u5305\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u68c0\u67e5calloc\u8fd4\u56de\u503c\u3002\u672c\u5730\u7528\u6237\u53ef\u901a\u8fc7\u5927\u578bcrontab\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5b88\u62a4\u7a0b\u5e8f\u5d29\u6e83\uff09\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": "Vixie cron\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Debian Vixie cron \u003c3.0pl1-133"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-9704",
  "serverity": "\u4f4e",
  "submitTime": "2019-03-12",
  "title": "Vixie cron\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2019-9704 (GCVE-0-2019-9704)

Vulnerability from cvelistv5 – Published: 2019-03-12 00:00 – Updated: 2024-08-04 21:54

Summary

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (daemon crash) via a large crontab file because the calloc return value is not checked.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://salsa.debian.org/debian/cron/commit/f2525567	x_refsource_MISC
http://www.securityfocus.com/bid/107373	vdb-entryx_refsource_BID
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Date Public

2019-03-11 00:00

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.

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.