Vulnerability-Lookup

CNVD-2016-00842

Vulnerability from cnvd - Published: 2016-02-14

Title

Haxx Libcurl存在未明漏洞

Description

Haxx Libcurl是瑞典Haxx公司的一个免费、开源的客户端URL传输库。该库支持FTP、FTPS、TFTP、HTTP等。 Haxx Libcurl的lib/url.c文件中的‘ConnectionExists’函数未能正确重用NTLM-authenticated代理连接，允许远程攻击者可通过发送请求伪装成其他用户进行身份验证。

Severity

中

Patch Name

Haxx Libcurl存在未明漏洞的补丁

Patch Description

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://curl.haxx.se/docs/adv_20160127A.html

Reference

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-0755

Impacted products

Name
Haxx Libcurl <7.47.0

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-0755"
    }
  },
  "description": "Haxx Libcurl\u662f\u745e\u5178Haxx\u516c\u53f8\u7684\u4e00\u4e2a\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5ba2\u6237\u7aefURL\u4f20\u8f93\u5e93\u3002\u8be5\u5e93\u652f\u6301FTP\u3001FTPS\u3001TFTP\u3001HTTP\u7b49\u3002\r\n\r\nHaxx Libcurl\u7684lib/url.c\u6587\u4ef6\u4e2d\u7684\u2018ConnectionExists\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u91cd\u7528NTLM-authenticated\u4ee3\u7406\u8fde\u63a5\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u8bf7\u6c42\u4f2a\u88c5\u6210\u5176\u4ed6\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002",
  "discovererName": "Isaac Boukris",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://curl.haxx.se/docs/adv_20160127A.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00842",
  "openTime": "2016-02-14",
  "patchDescription": "Haxx Libcurl\u662f\u745e\u5178Haxx\u516c\u53f8\u7684\u4e00\u4e2a\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5ba2\u6237\u7aefURL\u4f20\u8f93\u5e93\u3002\u8be5\u5e93\u652f\u6301FTP\u3001FTPS\u3001TFTP\u3001HTTP\u7b49\u3002\r\n\r\nHaxx Libcurl\u7684lib/url.c\u6587\u4ef6\u4e2d\u7684\u2018ConnectionExists\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u91cd\u7528NTLM-authenticated\u4ee3\u7406\u8fde\u63a5\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u8bf7\u6c42\u4f2a\u88c5\u6210\u5176\u4ed6\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\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",
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  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-0755",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-02",
  "title": "Haxx Libcurl\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2016-0755 (GCVE-0-2016-0755)

Vulnerability from cvelistv5 – Published: 2016-01-29 20:00 – Updated: 2024-08-05 22:30

Summary

The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

18 references

URL	Tags
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://packetstormsecurity.com/files/135695/Slack…	x_refsource_MISC
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.apple.com/archives/security-announce…	vendor-advisoryx_refsource_APPLE
http://curl.haxx.se/docs/adv_20160127A.html	x_refsource_CONFIRM
http://www.slackware.com/security/viewer.php?l=sl…	vendor-advisoryx_refsource_SLACKWARE
http://www.debian.org/security/2016/dsa-3455	vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/82307	vdb-entryx_refsource_BID
https://support.apple.com/HT207170	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1034882	vdb-entryx_refsource_SECTRACK
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.ubuntu.com/usn/USN-2882-1	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201701-47	vendor-advisoryx_refsource_GENTOO
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA

Date Public

2016-01-27 00:00

Show details on NVD website

JSON

To clipboard

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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.

Action not permitted

CNVD-2016-00842

CVE-2016-0755 (GCVE-0-2016-0755)

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Related by attack behaviour