cnvd - cnvd-2021-24471

cnvd-2021-24471

Vulnerability from cnvd

Title: privoxy拒绝服务漏洞

Description:

privoxy是一款具有高级过滤功能的Web代理。

privoxy 3.0.32之前版本存在拒绝服务漏洞。攻击者可通过特制CGI请求利用该漏洞导致程序崩溃。

Severity: 中

Patch Name: privoxy拒绝服务漏洞的补丁

Patch Description:

privoxy是一款具有高级过滤功能的Web代理。

privoxy 3.0.32之前版本存在拒绝服务漏洞。攻击者可通过特制CGI请求利用该漏洞导致程序崩溃。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： https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=e711c505c48

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-20273

Impacted products

Name
Privoxy Privoxy <3.0.32

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20273",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20273"
    }
  },
  "description": "privoxy\u662f\u4e00\u6b3e\u5177\u6709\u9ad8\u7ea7\u8fc7\u6ee4\u529f\u80fd\u7684Web\u4ee3\u7406\u3002\n\nprivoxy 3.0.32\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236CGI\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=e711c505c48",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-24471",
  "openTime": "2021-04-02",
  "patchDescription": "privoxy\u662f\u4e00\u6b3e\u5177\u6709\u9ad8\u7ea7\u8fc7\u6ee4\u529f\u80fd\u7684Web\u4ee3\u7406\u3002\r\n\r\nprivoxy 3.0.32\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236CGI\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\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": "privoxy\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Privoxy Privoxy \u003c3.0.32"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20273",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-10",
  "title": "privoxy\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-20273 (GCVE-0-2021-20273)

Vulnerability from cvelistv5

Published

2021-03-09 13:11

Modified

2024-08-03 17:37

Severity ?

CWE

CWE-20

Summary

A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.

References

▼	URL	Tags
	https://www.privoxy.org/announce.txt	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=1936658	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202107-16	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	n/a	privoxy	Version: privoxy 3.0.32

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:37:23.083Z",
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            ],
            "url": "https://www.privoxy.org/announce.txt"
          },
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            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1936658"
          },
          {
            "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2587-1] privoxy security update",
            "tags": [
              "mailing-list",
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              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html"
          },
          {
            "name": "GLSA-202107-16",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202107-16"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "privoxy",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "privoxy 3.0.32"
            }
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        }
      ],
      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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              "cweId": "CWE-20",
              "description": "CWE-20",
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      },
      "references": [
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          "tags": [
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          "url": "https://www.privoxy.org/announce.txt"
        },
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1936658"
        },
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          "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2587-1] privoxy security update",
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        },
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          "name": "GLSA-202107-16",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202107-16"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-20273",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
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                "product": {
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                  "value": "CWE-20"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.privoxy.org/announce.txt",
              "refsource": "MISC",
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            },
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            },
            {
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            },
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}

Sightings

Author	Source	Type	Date

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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