Vulnerability-Lookup

CNVD-2018-23867

Vulnerability from cnvd - Published: 2018-11-22

Title

YARA缓冲区溢出漏洞（CNVD-2018-23867）

Description

YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。 YARA中的libyara/exec.c文件的‘yr_execute_code’函数存在越界读取漏洞。攻击者可借助被编译的特制规则文件利用该漏洞执行代码。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/VirusTotal/yara

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-12034

Impacted products

Name
YARA YARA <=3.7.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-12034",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12034"
    }
  },
  "description": "YARA\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u8f6f\u4ef6\u7814\u7a76\u4eba\u5458\u8bc6\u522b\u548c\u5206\u7c7b\u6076\u610f\u8f6f\u4ef6\u6837\u672c\u7684\u5de5\u5177\u3002\n\nYARA\u4e2d\u7684libyara/exec.c\u6587\u4ef6\u7684\u2018yr_execute_code\u2019\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u88ab\u7f16\u8bd1\u7684\u7279\u5236\u89c4\u5219\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/VirusTotal/yara",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-23867",
  "openTime": "2018-11-22",
  "products": {
    "product": "YARA YARA \u003c=3.7.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-12034",
  "serverity": "\u4e2d",
  "submitTime": "2018-06-20",
  "title": "YARA\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2018-23867\uff09"
}

CVE-2018-12034 (GCVE-0-2018-12034)

Vulnerability from cvelistv5 – Published: 2018-06-15 16:00 – Updated: 2024-08-05 08:24

Summary

In YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds read vulnerability in yr_execute_code in libyara/exec.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/VirusTotal/yara/issues/891	x_refsource_CONFIRM
https://bnbdr.github.io/posts/swisscheese/	x_refsource_MISC
https://github.com/bnbdr/swisscheese	x_refsource_MISC

Date Public

2018-06-07 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T08:24:03.649Z",
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            "url": "https://github.com/VirusTotal/yara/issues/891"
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            "url": "https://bnbdr.github.io/posts/swisscheese/"
          },
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/bnbdr/swisscheese"
          }
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      }
    ],
    "cna": {
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          "versions": [
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          "lang": "en",
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bnbdr.github.io/posts/swisscheese/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/bnbdr/swisscheese"
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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.

Action not permitted

CNVD-2018-23867

CVE-2018-12034 (GCVE-0-2018-12034)

Tags

Sightings

Nomenclature

Related by attack behaviour