Vulnerability-Lookup

CNVD-2017-06643

Vulnerability from cnvd - Published: 2017-05-16

Title

WeeChat ‘irc_ctcp_dcc_filename_without_quotes’函数缓冲区溢出漏洞

Description

WeeChat(Wee Enhanced Environment for Chat)是一款高效的轻型IRC聊天客户端。 WeeChat 1.7.1之前的版本中的‘irc_ctcp_dcc_filename_without_quotes’函数存在安全漏洞。远程攻击者可通过DCC向IRC插件发送文件名利用该漏洞造成拒绝服务（崩溃）。

Severity

中

Patch Name

WeeChat ‘irc_ctcp_dcc_filename_without_quotes’函数缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接: https://weechat.org/download/security/

Reference

https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b

Impacted products

Name
FlashTux WeeChat <1.7.1

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97987"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8073",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8073"
    }
  },
  "description": "WeeChat(Wee Enhanced Environment for Chat)\u662f\u4e00\u6b3e\u9ad8\u6548\u7684\u8f7b\u578bIRC\u804a\u5929\u5ba2\u6237\u7aef\u3002\r\n\r\nWeeChat 1.7.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684\u2018irc_ctcp_dcc_filename_without_quotes\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7DCC\u5411IRC\u63d2\u4ef6\u53d1\u9001\u6587\u4ef6\u540d\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u3002",
  "discovererName": "FlashTux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttps://weechat.org/download/security/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06643",
  "openTime": "2017-05-16",
  "patchDescription": "WeeChat(Wee Enhanced Environment for Chat)\u662f\u4e00\u6b3e\u9ad8\u6548\u7684\u8f7b\u578bIRC\u804a\u5929\u5ba2\u6237\u7aef\u3002\r\n\r\nWeeChat 1.7.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684\u2018irc_ctcp_dcc_filename_without_quotes\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7DCC\u5411IRC\u63d2\u4ef6\u53d1\u9001\u6587\u4ef6\u540d\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\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": "WeeChat \u2018irc_ctcp_dcc_filename_without_quotes\u2019\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FlashTux WeeChat \u003c1.7.1"
  },
  "referenceLink": "https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-25",
  "title": "WeeChat \u2018irc_ctcp_dcc_filename_without_quotes\u2019\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-8073 (GCVE-0-2017-8073)

Vulnerability from cvelistv5 – Published: 2017-04-23 15:00 – Updated: 2024-08-05 16:27

Summary

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
http://www.securityfocus.com/bid/97987	vdb-entryx_refsource_BID
https://weechat.org/download/security/	x_refsource_CONFIRM
https://github.com/weechat/weechat/commit/2fb346f…	x_refsource_CONFIRM
https://weechat.org/news/95/20170422-Version-1.7.1/	x_refsource_CONFIRM
http://www.debian.org/security/2017/dsa-3836	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2017-04-23 00:00

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:27:21.389Z",
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          },
          {
            "tags": [
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            ],
            "url": "https://weechat.org/download/security/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://weechat.org/news/95/20170422-Version-1.7.1/"
          },
          {
            "name": "DSA-3836",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3836"
          },
          {
            "name": "FEDORA-2020-4d232b48b8",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
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          },
          {
            "name": "FEDORA-2020-db890b4800",
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              "x_refsource_FEDORA",
              "x_transferred"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/"
          },
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        },
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          "tags": [
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          "url": "http://www.debian.org/security/2017/dsa-3836"
        },
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          "tags": [
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/"
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    "dateUpdated": "2024-08-05T16:27:21.389Z",
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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-2017-06643

CVE-2017-8073 (GCVE-0-2017-8073)

Tags

Sightings

Nomenclature

Related by attack behaviour