cnvd - cnvd-2020-13701

cnvd-2020-13701

Vulnerability from cnvd

Title: Squid ext_lm_group_acl越界写漏洞

Description:

Squid是一套代理服务器和Web缓存服务器软件。

Squid ext_lm_group_acl解析NTLM验证凭据存在越界写漏洞，远程攻击者可以利用该漏洞提交特殊的请求，可获取敏感信息或者进行拒绝服务攻击。

Severity: 高

Patch Name: Squid ext_lm_group_acl越界写漏洞的补丁

Patch Description:

Squid是一套代理服务器和Web缓存服务器软件。

Squid ext_lm_group_acl解析NTLM验证凭据存在越界写漏洞，远程攻击者可以利用该漏洞提交特殊的请求，可获取敏感信息或者进行拒绝服务攻击。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： http://www.squid-cache.org/Versions/v4/changesets/squid-4-6982f1187a26557e582172965e266f544ea562a5.patch

Reference: http://www.squid-cache.org/Advisories/SQUID-2020_3.txt

Impacted products

Name
Team Squid Squid < 4.10

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8517",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8517"
    }
  },
  "description": "Squid\u662f\u4e00\u5957\u4ee3\u7406\u670d\u52a1\u5668\u548cWeb\u7f13\u5b58\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\n\nSquid ext_lm_group_acl\u89e3\u6790NTLM\u9a8c\u8bc1\u51ed\u636e\u5b58\u5728\u8d8a\u754c\u5199\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u6216\u8005\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://www.squid-cache.org/Versions/v4/changesets/squid-4-6982f1187a26557e582172965e266f544ea562a5.patch",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-13701",
  "openTime": "2020-02-26",
  "patchDescription": "Squid\u662f\u4e00\u5957\u4ee3\u7406\u670d\u52a1\u5668\u548cWeb\u7f13\u5b58\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nSquid ext_lm_group_acl\u89e3\u6790NTLM\u9a8c\u8bc1\u51ed\u636e\u5b58\u5728\u8d8a\u754c\u5199\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u6216\u8005\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\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": "Squid ext_lm_group_acl\u8d8a\u754c\u5199\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Team Squid Squid \u003c 4.10"
  },
  "referenceLink": "http://www.squid-cache.org/Advisories/SQUID-2020_3.txt",
  "serverity": "\u9ad8",
  "submitTime": "2020-02-11",
  "title": "Squid ext_lm_group_acl\u8d8a\u754c\u5199\u6f0f\u6d1e"
}

CVE-2020-8517 (GCVE-0-2020-8517)

Vulnerability from cvelistv5

Published

2020-02-04 19:54

Modified

2024-08-04 10:03

Severity ?

CWE

Summary

An issue was discovered in Squid before 4.10. Due to incorrect input validation, the NTLM authentication credentials parser in ext_lm_group_acl may write to memory outside the credentials buffer. On systems with memory access protections, this can result in the helper process being terminated unexpectedly. This leads to the Squid process also terminating and a denial of service for all clients using the proxy.

References

▼	URL	Tags
	http://www.squid-cache.org/Advisories/SQUID-2020_3.txt	x_refsource_MISC
	http://www.squid-cache.org/Versions/v4/changesets/squid-4-6982f1187a26557e582172965e266f544ea562a5.patch	x_refsource_MISC
	https://usn.ubuntu.com/4289-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202003-34	vendor-advisory, x_refsource_GENTOO
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://security.netapp.com/advisory/ntap-20210304-0002/	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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            "url": "http://www.squid-cache.org/Advisories/SQUID-2020_3.txt"
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          },
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            "url": "https://security.netapp.com/advisory/ntap-20210304-0002/"
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          "url": "https://security.netapp.com/advisory/ntap-20210304-0002/"
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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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