Vulnerability-Lookup

CNVD-2019-07028

Vulnerability from cnvd - Published: 2019-03-13

Title

elfutils拒绝服务漏洞（CNVD-2019-07028）

Description

elfutils是一个实用程序和库的集合，用于读取、创建及修改ELF二进制文件，查找和处理GNU/Linux上的进程和核心文件的DWARF调试数据、符号、线程状态及栈轨迹。 elfutils 0.175中的libelf/note_xlate.h中的elf_cvt_note存在拒绝服务漏洞。攻击者可通过特制ELF输入利用该漏洞导致分段错误，从而可导致拒绝服务（程序崩溃）。

Severity

中

Patch Name

elfutils拒绝服务漏洞（CNVD-2019-07028）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://sourceware.org/bugzilla/show_bug.cgi?id=24084

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-7664

Impacted products

Name
Elfutils Elfutils 0.175

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2019-7664"
    }
  },
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  "discovererName": "wcventure",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=24084",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07028",
  "openTime": "2019-03-13",
  "patchDescription": "elfutils\u662f\u4e00\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u548c\u5e93\u7684\u96c6\u5408\uff0c\u7528\u4e8e\u8bfb\u53d6\u3001\u521b\u5efa\u53ca\u4fee\u6539ELF\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u67e5\u627e\u548c\u5904\u7406GNU/Linux\u4e0a\u7684\u8fdb\u7a0b\u548c\u6838\u5fc3\u6587\u4ef6\u7684DWARF\u8c03\u8bd5\u6570\u636e\u3001\u7b26\u53f7\u3001\u7ebf\u7a0b\u72b6\u6001\u53ca\u6808\u8f68\u8ff9\u3002\r\n\r\nelfutils 0.175\u4e2d\u7684libelf/note_xlate.h\u4e2d\u7684elf_cvt_note\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236ELF\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6bb5\u9519\u8bef\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\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": "elfutils\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-07028\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Elfutils Elfutils 0.175"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-7664",
  "serverity": "\u4e2d",
  "submitTime": "2019-02-12",
  "title": "elfutils\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-07028\uff09"
}

CVE-2019-7664 (GCVE-0-2019-7664)

Vulnerability from cvelistv5 – Published: 2019-02-09 16:00 – Updated: 2024-08-04 20:54

Summary

In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service (program crash).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=24084	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2019:2197	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3575	vendor-advisoryx_refsource_REDHAT

Date Public

2019-02-09 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.