Vulnerability-Lookup

CNVD-2019-07807

Vulnerability from cnvd - Published: 2019-03-22

Title

rdesktop远程代码执行漏洞

Description

rdesktop是linux下支持Windows远程桌面连接的客户端程序，在linux系统下可通过它远程访问Windows桌面，支持多种版本。在rdesktop的v1.8.3之前（包括v1.8.3）的版本中存在远程代码执行漏洞，漏洞源于函数lspci_process() 中存在堆缓冲区溢出，攻击者这可利用该漏洞导致内存损坏，甚至可能导致远程代码执行。

Severity

高

Patch Name

rdesktop远程代码执行漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-20179

Impacted products

Name
Rdesktop rdesktop <=v1.8.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20179",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-20179"
    }
  },
  "description": "rdesktop\u662flinux\u4e0b\u652f\u6301Windows\u8fdc\u7a0b\u684c\u9762\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff0c\u5728linux\u7cfb\u7edf\u4e0b\u53ef\u901a\u8fc7\u5b83\u8fdc\u7a0b\u8bbf\u95eeWindows\u684c\u9762\uff0c\u652f\u6301\u591a\u79cd\u7248\u672c\u3002\n\n\u5728rdesktop\u7684v1.8.3\u4e4b\u524d\uff08\u5305\u62ecv1.8.3\uff09\u7684\u7248\u672c\u4e2d\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u6f0f\u6d1e\u6e90\u4e8e\n\u51fd\u6570lspci_process() \u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u8fd9\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u635f\u574f\uff0c\u751a\u81f3\u53ef\u80fd\u5bfc\u81f4\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002",
  "discovererName": "Eyal Itkin",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07807",
  "openTime": "2019-03-22",
  "patchDescription": "rdesktop\u662flinux\u4e0b\u652f\u6301Windows\u8fdc\u7a0b\u684c\u9762\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff0c\u5728linux\u7cfb\u7edf\u4e0b\u53ef\u901a\u8fc7\u5b83\u8fdc\u7a0b\u8bbf\u95eeWindows\u684c\u9762\uff0c\u652f\u6301\u591a\u79cd\u7248\u672c\u3002\r\n\r\n\u5728rdesktop\u7684v1.8.3\u4e4b\u524d\uff08\u5305\u62ecv1.8.3\uff09\u7684\u7248\u672c\u4e2d\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u6f0f\u6d1e\u6e90\u4e8e\r\n\u51fd\u6570lspci_process() \u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u8fd9\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u635f\u574f\uff0c\u751a\u81f3\u53ef\u80fd\u5bfc\u81f4\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "rdesktop\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Rdesktop rdesktop \u003c=v1.8.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-20179",
  "serverity": "\u9ad8",
  "submitTime": "2019-03-18",
  "title": "rdesktop\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2018-20179 (GCVE-0-2018-20179)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function lspci_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 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.