Vulnerability-Lookup

CNVD-2019-12479

Vulnerability from cnvd - Published: 2019-04-26

Title

rdesktop输入验证错误漏洞

Description

rdesktop是一款开源的远程桌面客户端程序。 rdesktop 1.8.3及之前版本中存在数字错误漏洞，该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。

Severity

高

Patch Name

rdesktop输入验证错误漏洞的补丁

Patch Description

rdesktop是一款开源的远程桌面客户端程序。 rdesktop 1.8.3及之前版本中存在数字错误漏洞，该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。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

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-2018-20181

Impacted products

Name
Rdesktop rdesktop <=1.8.3

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "106938"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20181",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-20181"
    }
  },
  "description": "rdesktop\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u8fdc\u7a0b\u684c\u9762\u5ba2\u6237\u7aef\u7a0b\u5e8f\u3002\n\nrdesktop 1.8.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8ba1\u7b97\u6216\u8f6c\u6362\u6240\u4ea7\u751f\u7684\u6570\u5b57\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u6216\u7b26\u53f7\u9519\u8bef\u7b49\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-2019-12479",
  "openTime": "2019-04-26",
  "patchDescription": "rdesktop\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u8fdc\u7a0b\u684c\u9762\u5ba2\u6237\u7aef\u7a0b\u5e8f\u3002\r\n\r\nrdesktop 1.8.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u6570\u5b57\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8ba1\u7b97\u6216\u8f6c\u6362\u6240\u4ea7\u751f\u7684\u6570\u5b57\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u6216\u7b26\u53f7\u9519\u8bef\u7b49\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\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Rdesktop rdesktop \u003c=1.8.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-20181",
  "serverity": "\u9ad8",
  "submitTime": "2019-03-18",
  "title": "rdesktop\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2018-20181 (GCVE-0-2018-20181)

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 seamless_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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          "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html"
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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.
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-2019-12479

CVE-2018-20181 (GCVE-0-2018-20181)

Tags

Sightings

Nomenclature

Related by attack behaviour