cnvd - cnvd-2020-24662

cnvd-2020-24662

Vulnerability from cnvd

Title: Squid代码执行漏洞

Description:

Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。

Squid 5.0.2之前版本中存在安全漏洞。攻击者可通过嗅探用于身份验证的Nonce并进行重播利用该漏洞访问被限制的资源或可能执行代码。

Severity: 高

Patch Name: Squid代码执行漏洞的补丁

Patch Description:

Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。

Squid 5.0.2之前版本中存在安全漏洞。攻击者可通过嗅探用于身份验证的Nonce并进行重播利用该漏洞访问被限制的资源或可能执行代码。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:

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： http://www.squid-cache.org/

Impacted products

Name
Squid Squid <5.0.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11945"
    }
  },
  "description": "Squid\u662f\u4e00\u5957\u4ee3\u7406\u670d\u52a1\u5668\u548cWeb\u7f13\u5b58\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u7f13\u5b58\u4e07\u7ef4\u7f51\u3001\u8fc7\u6ee4\u6d41\u91cf\u3001\u4ee3\u7406\u4e0a\u7f51\u7b49\u529f\u80fd\u3002\n\nSquid 5.0.2\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u55c5\u63a2\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684Nonce\u5e76\u8fdb\u884c\u91cd\u64ad\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u88ab\u9650\u5236\u7684\u8d44\u6e90\u6216\u53ef\u80fd\u6267\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.squid-cache.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-24662",
  "openTime": "2020-04-24",
  "patchDescription": "Squid\u662f\u4e00\u5957\u4ee3\u7406\u670d\u52a1\u5668\u548cWeb\u7f13\u5b58\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u7f13\u5b58\u4e07\u7ef4\u7f51\u3001\u8fc7\u6ee4\u6d41\u91cf\u3001\u4ee3\u7406\u4e0a\u7f51\u7b49\u529f\u80fd\u3002\r\n\r\nSquid 5.0.2\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u55c5\u63a2\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u7684Nonce\u5e76\u8fdb\u884c\u91cd\u64ad\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u88ab\u9650\u5236\u7684\u8d44\u6e90\u6216\u53ef\u80fd\u6267\u884c\u4ee3\u7801\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": "Squid\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Squid Squid \u003c5.0.2"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-24",
  "title": "Squid\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2020-11945 (GCVE-0-2020-11945)

Vulnerability from cvelistv5

Published

2020-04-23 14:16

Modified

2024-08-04 11:42

Severity ?

CWE

Summary

An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).

References

▼	URL	Tags
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch	x_refsource_MISC
	http://master.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch	x_refsource_MISC
	https://github.com/squid-cache/squid/pull/585	x_refsource_MISC
	https://github.com/squid-cache/squid/commit/eeebf0f37a72a2de08348e85ae34b02c34e9a811	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/04/23/2	x_refsource_CONFIRM
	https://bugzilla.suse.com/show_bug.cgi?id=1170313	x_refsource_CONFIRM
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202005-05	vendor-advisory, x_refsource_GENTOO
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4FWQRYZJPHAZBLXJ56FPCHJN5X2FP3VA/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RV2VZWFJNO3B56IVN56HHKJASG5DYUIX/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4MWXEZAJSOGRJSS2JCJK4WBSND4IV46/	vendor-advisory, x_refsource_FEDORA
	https://usn.ubuntu.com/4356-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210304-0004/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
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          ],
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        },
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            },
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    "assignerShortName": "mitre",
    "cveId": "CVE-2020-11945",
    "datePublished": "2020-04-23T14:16:55",
    "dateReserved": "2020-04-20T00:00:00",
    "dateUpdated": "2024-08-04T11:42:00.741Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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