Vulnerability-Lookup

CNVD-2020-41807

Vulnerability from cnvd - Published: 2020-07-21

Title

Apache Guacamole信息泄露漏洞（CNVD-2020-41807）

Description

Apache Guacamole是美国阿帕奇（Apache）软件基金会的一款无客户端的远程桌面网关。该产品支持VNC、RDP和SSH等协议。 Apache Guacamole 1.1.0及之前版本中存在安全漏洞，该漏洞源于程序未正确验证通过静态虚拟通道从RDP服务器接收的数据。攻击者可借助特制的PDU利用该漏洞获取信息。

Severity

低

Patch Name

Apache Guacamole信息泄露漏洞（CNVD-2020-41807）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://lists.apache.org/thread.html/r3f071de70ea1facd3601e0fa894e6cadc960627ee7199437b5a56f7f@%3Cannounce.apache.org%3E

Reference

https://research.checkpoint.com/2020/apache-guacamole-rce/

Impacted products

Name
Apache Guacamole <=1.1.0

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2020-9497"
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  "description": "Apache Guacamole\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u65e0\u5ba2\u6237\u7aef\u7684\u8fdc\u7a0b\u684c\u9762\u7f51\u5173\u3002\u8be5\u4ea7\u54c1\u652f\u6301VNC\u3001RDP\u548cSSH\u7b49\u534f\u8bae\u3002\n\nApache Guacamole 1.1.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6b63\u786e\u9a8c\u8bc1\u901a\u8fc7\u9759\u6001\u865a\u62df\u901a\u9053\u4eceRDP\u670d\u52a1\u5668\u63a5\u6536\u7684\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PDU\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\u3002",
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  "serverity": "\u4f4e",
  "submitTime": "2020-07-03",
  "title": "Apache Guacamole\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2020-41807\uff09"
}

CVE-2020-9497 (GCVE-0-2020-9497)

Vulnerability from cvelistv5 – Published: 2020-07-02 12:30 – Updated: 2024-08-04 10:34

Summary

Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs could result in disclosure of information within the memory ofthe guacd process handling the connection.

Severity

No CVSS data available.

CWE

Information Disclosure

Assigner

apache mitre root

References

11 references

URL	Tags
https://lists.apache.org/thread.html/r65f75d3d65d…	x_refsource_MISC
https://lists.apache.org/thread.html/r3f071de70ea…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r066543f0565…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r181b1d5b1ac…	mailing-listx_refsource_MLIST
https://research.checkpoint.com/2020/apache-guaca…	x_refsource_MISC
https://kb.pulsesecure.net/articles/Pulse_Securit…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.apache.org/thread.html/r90890afea72…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r1125f3044a0…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
n/a	Apache Guacamole	Affected: Apache Guacamole 1.1.0 and older

Show details on NVD website

JSON

To clipboard

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    "cna": {
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    "dateUpdated": "2024-08-04T10:34:38.227Z",
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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.

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.
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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.

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CNVD-2020-41807

CVE-2020-9497 (GCVE-0-2020-9497)

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