Vulnerability-Lookup

CNVD-2021-93849

Vulnerability from cnvd - Published: 2021-12-05

Title

LIVE555缓冲区溢出漏洞

Description

LIVE555是一组用于多媒体流式传播的开源C++库。 Live555存在缓冲区溢出漏洞。该漏洞源于handleRequestBytes具有不受限制的memmove。攻击者可通过Content-Length HTTP header中的大整数利用该漏洞导致拒绝服务。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.live555.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-7733

Impacted products

Name
LIVE555 Live555 0.95

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-7733"
    }
  },
  "description": "LIVE555\u662f\u4e00\u7ec4\u7528\u4e8e\u591a\u5a92\u4f53\u6d41\u5f0f\u4f20\u64ad\u7684\u5f00\u6e90C++\u5e93\u3002\n\nLive555\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8ehandleRequestBytes\u5177\u6709\u4e0d\u53d7\u9650\u5236\u7684memmove\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7Content-Length HTTP header\u4e2d\u7684\u5927\u6574\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "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\nhttp://www.live555.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-93849",
  "openTime": "2021-12-05",
  "products": {
    "product": "LIVE555 Live555 0.95"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-7733",
  "serverity": "\u4e2d",
  "submitTime": "2019-02-12",
  "title": "LIVE555\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-7733 (GCVE-0-2019-7733)

Vulnerability from cvelistv5 – Published: 2019-02-11 17:00 – Updated: 2024-08-04 20:54

Summary

In Live555 0.95, there is a buffer overflow via a large integer in a Content-Length HTTP header because handleRequestBytes has an unrestricted memmove.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/rgaufman/live555/issues/21	x_refsource_MISC
https://security.gentoo.org/glsa/202005-06	vendor-advisoryx_refsource_GENTOO

Date Public

2019-02-11 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.