Vulnerability-Lookup

CNVD-2018-03167

Vulnerability from cnvd - Published: 2018-02-11

Title

Linux kernel拒绝服务漏洞（CNVD-2018-03167）

Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.13之前版本中的crypto/pcrypt.c文件存在安全漏洞，该漏洞源于程序未能正确的处理实例的释放。本地攻击者可借助特制序列的系统调用利用该漏洞访问AF_ALG-based AEAD界面和pcrypt，造成拒绝服务。

Severity

高

Patch Name

Linux kernel拒绝服务漏洞（CNVD-2018-03167）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://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-18075 https://www.securityfocus.com/bid/102813

Impacted products

Name
Linux kernel <4.14.13

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "102813"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18075"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.14.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684crypto/pcrypt.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u5b9e\u4f8b\u7684\u91ca\u653e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u5e8f\u5217\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95eeAF_ALG-based AEAD\u754c\u9762\u548cpcrypt\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Linux",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-03167",
  "openTime": "2018-02-11",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.14.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684crypto/pcrypt.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u5b9e\u4f8b\u7684\u91ca\u653e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u5e8f\u5217\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95eeAF_ALG-based AEAD\u754c\u9762\u548cpcrypt\uff0c\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": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03167\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.14.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-18075\r\nhttps://www.securityfocus.com/bid/102813",
  "serverity": "\u9ad8",
  "submitTime": "2018-01-25",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03167\uff09"
}

CVE-2017-18075 (GCVE-0-2017-18075)

Vulnerability from cvelistv5 – Published: 2018-01-24 10:00 – Updated: 2024-08-05 21:13

Summary

crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
http://www.securityfocus.com/bid/102813	vdb-entryx_refsource_BID
https://usn.ubuntu.com/3619-2/	vendor-advisoryx_refsource_UBUNTU
https://www.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:2948	vendor-advisoryx_refsource_REDHAT
https://github.com/torvalds/linux/commit/d76c6810…	x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://usn.ubuntu.com/3619-1/	vendor-advisoryx_refsource_UBUNTU

Date Public

2018-01-24 00:00

Show details on NVD website

JSON

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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.
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CNVD-2018-03167

CVE-2017-18075 (GCVE-0-2017-18075)

Tags

Sightings

Nomenclature

Related by attack behaviour