cnvd-2021-91422
Vulnerability from cnvd
Title: Wireshark拒绝服务漏洞(CNVD-2021-91422)
Description:
Wireshark是Wireshark团队的一套网络数据包分析软件。该软件的功能是截取网络数据包,并显示出详细的数据以供分析。
Wireshark 存在拒绝服务漏洞,该漏洞源于Bluetooth DHT解析器中存在无限循环。攻击者可利用该漏洞通过应用程序发送精心编制的数据包,消耗所有可用的系统资源并执行拒绝服务(DoS)攻击。
Severity: 中
Patch Name: Wireshark拒绝服务漏洞(CNVD-2021-91422)的补丁
Patch Description:
Wireshark是Wireshark团队的一套网络数据包分析软件。该软件的功能是截取网络数据包,并显示出详细的数据以供分析。
Wireshark 存在拒绝服务漏洞,该漏洞源于Bluetooth DHT解析器中存在无限循环。攻击者可利用该漏洞通过应用程序发送精心编制的数据包,消耗所有可用的系统资源并执行拒绝服务(DoS)攻击。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description:
厂商已发布了漏洞修复程序,请及时关注更新: http://www.wireshark.org/security/wnpa-sec-2021-11.html
Reference: https://www.cybersecurity-help.cz/vdb/SB2021111737
Impacted products
Name | ['Wireshark Wireshark >=3.4.0,<=3.4.9', 'Wireshark Wireshark >=3.2.0,<=3.2.17'] |
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{ "cves": { "cve": { "cveNumber": "CVE-2021-39924", "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-39924" } }, "description": "Wireshark\u662fWireshark\u56e2\u961f\u7684\u4e00\u5957\u7f51\u7edc\u6570\u636e\u5305\u5206\u6790\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7684\u529f\u80fd\u662f\u622a\u53d6\u7f51\u7edc\u6570\u636e\u5305\uff0c\u5e76\u663e\u793a\u51fa\u8be6\u7ec6\u7684\u6570\u636e\u4ee5\u4f9b\u5206\u6790\u3002\n\nWireshark \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBluetooth DHT\u89e3\u6790\u5668\u4e2d\u5b58\u5728\u65e0\u9650\u5faa\u73af\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u7cbe\u5fc3\u7f16\u5236\u7684\u6570\u636e\u5305\uff0c\u6d88\u8017\u6240\u6709\u53ef\u7528\u7684\u7cfb\u7edf\u8d44\u6e90\u5e76\u6267\u884c\u62d2\u7edd\u670d\u52a1\uff08DoS\uff09\u653b\u51fb\u3002", "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.wireshark.org/security/wnpa-sec-2021-11.html", "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e", "number": "CNVD-2021-91422", "openTime": "2021-11-26", "patchDescription": "Wireshark\u662fWireshark\u56e2\u961f\u7684\u4e00\u5957\u7f51\u7edc\u6570\u636e\u5305\u5206\u6790\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7684\u529f\u80fd\u662f\u622a\u53d6\u7f51\u7edc\u6570\u636e\u5305\uff0c\u5e76\u663e\u793a\u51fa\u8be6\u7ec6\u7684\u6570\u636e\u4ee5\u4f9b\u5206\u6790\u3002\r\n\r\nWireshark \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBluetooth DHT\u89e3\u6790\u5668\u4e2d\u5b58\u5728\u65e0\u9650\u5faa\u73af\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u7cbe\u5fc3\u7f16\u5236\u7684\u6570\u636e\u5305\uff0c\u6d88\u8017\u6240\u6709\u53ef\u7528\u7684\u7cfb\u7edf\u8d44\u6e90\u5e76\u6267\u884c\u62d2\u7edd\u670d\u52a1\uff08DoS\uff09\u653b\u51fb\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": "Wireshark\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-91422\uff09\u7684\u8865\u4e01", "products": { "product": [ "Wireshark Wireshark \u003e=3.4.0\uff0c\u003c=3.4.9", "Wireshark Wireshark \u003e=3.2.0\uff0c\u003c=3.2.17" ] }, "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021111737", "serverity": "\u4e2d", "submitTime": "2021-11-21", "title": "Wireshark\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-91422\uff09" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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