Vulnerability-Lookup

CNVD-2019-35851

Vulnerability from cnvd - Published: 2019-10-18

Title

Libntlm缓冲区溢出漏洞

Description

Libntlm是一款NTLM（NT LAN Manager）身份验证库。 Libntlm 1.5及之前版本中存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/GrantEdwards/libntlm

Reference

https://gitlab.com/jas/libntlm/issues/2 https://nvd.nist.gov/vuln/detail/CVE-2019-17455

Impacted products

Name
Libntlm Libntlm <=1.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-17455"
    }
  },
  "description": "Libntlm\u662f\u4e00\u6b3eNTLM\uff08NT LAN Manager\uff09\u8eab\u4efd\u9a8c\u8bc1\u5e93\u3002\n\nLibntlm 1.5\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "discovererName": "Salvatore Bonaccorso",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/GrantEdwards/libntlm",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-35851",
  "openTime": "2019-10-18",
  "products": {
    "product": "Libntlm Libntlm \u003c=1.5"
  },
  "referenceLink": "https://gitlab.com/jas/libntlm/issues/2\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-17455",
  "serverity": "\u9ad8",
  "submitTime": "2019-10-12",
  "title": "Libntlm\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-17455 (GCVE-0-2019-17455)

Vulnerability from cvelistv5 – Published: 2019-10-10 17:17 – Updated: 2024-08-05 01:40

Summary

Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

10 references

URL	Tags
https://gitlab.com/jas/libntlm/issues/2	x_refsource_MISC
https://people.canonical.com/~ubuntu-security/cve…	x_refsource_CONFIRM
https://security-tracker.debian.org/tracker/CVE-2…	x_refsource_CONFIRM
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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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CNVD-2019-35851

CVE-2019-17455 (GCVE-0-2019-17455)

Tags

Sightings

Nomenclature

Related by attack behaviour