Vulnerability-Lookup

CNVD-2016-03016

Vulnerability from cnvd - Published: 2016-05-12

Title

GNU gcc拒绝服务漏洞

Description

GNU gcc（GNU Compiler Collection，GNU编译器套装）是GNU计划开发的一款开源的编程语言编译器。 GNU gcc的libiberty demangler库中存在安全漏洞。攻击者可利用该漏洞读取mangled字符串中的数组索引值，使主机应用程序崩溃。

Severity

低

Patch Name

GNU gcc拒绝服务漏洞的补丁

Patch Description

GNU gcc（GNU Compiler Collection，GNU编译器套装）是GNU计划开发的一款开源的编程语言编译器。 GNU gcc的libiberty demangler库中存在安全漏洞。攻击者可利用该漏洞读取mangled字符串中的数组索引值，使主机应用程序崩溃。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，补丁获取链接： https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926

Reference

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926 http://www.openwall.com/lists/oss-security/2016/05/05/5

Impacted products

Name
GNU GCC

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2016-4493"
    }
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  "description": "GNU gcc\uff08GNU Compiler Collection\uff0cGNU\u7f16\u8bd1\u5668\u5957\u88c5\uff09\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u7f16\u7a0b\u8bed\u8a00\u7f16\u8bd1\u5668\u3002\r\n\r\nGNU gcc\u7684libiberty demangler\u5e93\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6mangled\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u7ec4\u7d22\u5f15\u503c\uff0c\u4f7f\u4e3b\u673a\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "unKnown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03016",
  "openTime": "2016-05-12",
  "patchDescription": "GNU gcc\uff08GNU Compiler Collection\uff0cGNU\u7f16\u8bd1\u5668\u5957\u88c5\uff09\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u7f16\u7a0b\u8bed\u8a00\u7f16\u8bd1\u5668\u3002\r\n\r\nGNU gcc\u7684libiberty demangler\u5e93\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6mangled\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u7ec4\u7d22\u5f15\u503c\uff0c\u4f7f\u4e3b\u673a\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "GNU gcc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU GCC"
  },
  "referenceLink": "https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926\r\nhttp://www.openwall.com/lists/oss-security/2016/05/05/5",
  "serverity": "\u4f4e",
  "submitTime": "2016-05-10",
  "title": "GNU gcc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-4493 (GCVE-0-2016-4493)

Vulnerability from cvelistv5 – Published: 2017-02-24 20:00 – Updated: 2024-08-06 00:32

Summary

The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg002…	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/05/05/5	mailing-listx_refsource_MLIST
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926	x_refsource_CONFIRM
http://www.securityfocus.com/bid/90014	vdb-entryx_refsource_BID

Date Public

2016-05-03 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.