Vulnerability-Lookup

CNVD-2016-02032

Vulnerability from cnvd - Published: 2016-04-07

Title

Hexchat IRC Client栈缓冲区溢出漏洞

Description

Hexchat（前称XChat-WDK）是一套跨平台的IRC（（一种通过网络的即时聊天方式））通讯软件。Hexchat IRC Client是其中的一个基于XChat的IRC客户端产品。 Hexchat IRC Client 2.11.0版本的src/common/inbound.c文件中的‘inbound_cap_ls’函数存在栈缓冲区溢出漏洞，该漏洞源于请求字符串存储在固定大小的缓冲区中。攻击者可利用该漏洞造成拒绝服务。

Severity

高

Formal description

目前厂商还没有提供此漏洞的相关补丁或者升级程序，建议使用此软件的用户随时关注厂商的主页以获取最新版本： https://hexchat.github.io/index.html

Reference

https://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html

Impacted products

Name
Hexchat IRC Client 2.11.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2233"
    }
  },
  "description": "Hexchat\uff08\u524d\u79f0XChat-WDK\uff09\u662f\u4e00\u5957\u8de8\u5e73\u53f0\u7684IRC\uff08\uff08\u4e00\u79cd\u901a\u8fc7\u7f51\u7edc\u7684\u5373\u65f6\u804a\u5929\u65b9\u5f0f\uff09\uff09\u901a\u8baf\u8f6f\u4ef6\u3002Hexchat IRC Client\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u57fa\u4e8eXChat\u7684IRC\u5ba2\u6237\u7aef\u4ea7\u54c1\u3002\r\n\r\nHexchat IRC Client 2.11.0\u7248\u672c\u7684src/common/inbound.c\u6587\u4ef6\u4e2d\u7684\u2018inbound_cap_ls\u2019\u51fd\u6570\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8bf7\u6c42\u5b57\u7b26\u4e32\u5b58\u50a8\u5728\u56fa\u5b9a\u5927\u5c0f\u7684\u7f13\u51b2\u533a\u4e2d\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "PizzaHatHacker",
  "formalWay": "\u76ee\u524d\u5382\u5546\u8fd8\u6ca1\u6709\u63d0\u4f9b\u6b64\u6f0f\u6d1e\u7684\u76f8\u5173\u8865\u4e01\u6216\u8005\u5347\u7ea7\u7a0b\u5e8f\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u7684\u4e3b\u9875\u4ee5\u83b7\u53d6\u6700\u65b0\u7248\u672c\uff1a\r\nhttps://hexchat.github.io/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02032",
  "openTime": "2016-04-07",
  "products": {
    "product": "Hexchat IRC Client 2.11.0"
  },
  "referenceLink": "https://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html",
  "serverity": "\u9ad8",
  "submitTime": "2016-04-06",
  "title": "Hexchat IRC Client\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2016-2233 (GCVE-0-2016-2233)

Vulnerability from cvelistv5 – Published: 2017-01-18 17:00 – Updated: 2024-08-05 23:24

Summary

Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/39657/	exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/95920	vdb-entryx_refsource_BID
http://packetstormsecurity.com/files/136563/Hexch…	x_refsource_MISC

Date Public

2016-04-04 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html"
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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.