Vulnerability-Lookup

CNVD-2016-04907

Vulnerability from cnvd - Published: 2016-07-18

Title

GnuTLS本地安全绕过漏洞

Description

GnuTLS是比利时Nikos Mavrogiannopoulos和瑞典Simon Josefsson软件开发者共同研发的一个免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.4.12版本中存在本地安全绕过漏洞，攻击者可利用该漏洞绕过安全限制，执行未授权操作。

Severity

低

Patch Name

GnuTLS本地安全绕过漏洞的补丁

Patch Description

GnuTLS是比利时Nikos Mavrogiannopoulos和瑞典Simon Josefsson软件开发者共同研发的一个免费的用于实现SSL、TLS和DTLS协议的安全通信库。 GnuTLS 3.4.12版本中存在本地安全绕过漏洞，攻击者可利用该漏洞绕过安全限制，执行未授权操作。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

目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： http://gnutls.org/

Reference

http://www.securityfocus.com/bid/91066

Impacted products

Name
Gnutls GnuTLS 3.4.12

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "91066"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4456"
    }
  },
  "description": "GnuTLS\u662f\u6bd4\u5229\u65f6Nikos Mavrogiannopoulos\u548c\u745e\u5178Simon Josefsson\u8f6f\u4ef6\u5f00\u53d1\u8005\u5171\u540c\u7814\u53d1\u7684\u4e00\u4e2a\u514d\u8d39\u7684\u7528\u4e8e\u5b9e\u73b0SSL\u3001TLS\u548cDTLS\u534f\u8bae\u7684\u5b89\u5168\u901a\u4fe1\u5e93\u3002\r\n\r\nGnuTLS 3.4.12\u7248\u672c\u4e2d\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u64cd\u4f5c\u3002",
  "discovererName": "Nikos Mavrogiannopoulos",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://gnutls.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04907",
  "openTime": "2016-07-18",
  "patchDescription": "GnuTLS\u662f\u6bd4\u5229\u65f6Nikos Mavrogiannopoulos\u548c\u745e\u5178Simon Josefsson\u8f6f\u4ef6\u5f00\u53d1\u8005\u5171\u540c\u7814\u53d1\u7684\u4e00\u4e2a\u514d\u8d39\u7684\u7528\u4e8e\u5b9e\u73b0SSL\u3001TLS\u548cDTLS\u534f\u8bae\u7684\u5b89\u5168\u901a\u4fe1\u5e93\u3002\r\n\r\nGnuTLS 3.4.12\u7248\u672c\u4e2d\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u64cd\u4f5c\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": "GnuTLS\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnutls GnuTLS 3.4.12"
  },
  "referenceLink": "http://www.securityfocus.com/bid/91066",
  "serverity": "\u4f4e",
  "submitTime": "2016-07-15",
  "title": "GnuTLS\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2016-4456 (GCVE-0-2016-4456)

Vulnerability from cvelistv5 – Published: 2017-08-08 21:00 – Updated: 2024-08-06 00:32

Summary

The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

2 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1343505	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2016/06/07/6	mailing-listx_refsource_MLIST

Date Public

2016-06-07 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.

Action not permitted

CNVD-2016-04907

CVE-2016-4456 (GCVE-0-2016-4456)

Tags

Sightings

Nomenclature

Related by attack behaviour