Vulnerability-Lookup

CNVD-2017-29853

Vulnerability from cnvd - Published: 2017-10-12

Title

ASN1C 'asn1f_lookup_symbol_impl'函数拒绝服务漏洞

Description

ASN1C是一款开源的ASN.1（抽象语法标记）编译器，可以实现BER、DER和PER等多种编解码方式。 ASN1C 0.9.28版本中的libasn1fix.a的asn1fix_retrieve.c文件的'asn1f_lookup_symbol_impl'函数存在安全漏洞。远程攻击者可借助特制的.asn1文件利用该漏洞造成拒绝服务（段错误）。

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： https://github.com/vlm/asn1c

Reference

https://drive.google.com/file/d/0B9DojFnTUSNGd05zSHI1RmpKQjQ/view

Impacted products

Name
ASN1C ASN1C 0.9.28

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12966"
    }
  },
  "description": "ASN1C\u662f\u4e00\u6b3e\u5f00\u6e90\u7684ASN.1\uff08\u62bd\u8c61\u8bed\u6cd5\u6807\u8bb0\uff09\u7f16\u8bd1\u5668\uff0c\u53ef\u4ee5\u5b9e\u73b0BER\u3001DER\u548cPER\u7b49\u591a\u79cd\u7f16\u89e3\u7801\u65b9\u5f0f\u3002\r\n\r\nASN1C 0.9.28\u7248\u672c\u4e2d\u7684libasn1fix.a\u7684asn1fix_retrieve.c\u6587\u4ef6\u7684\u0027asn1f_lookup_symbol_impl\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684.asn1\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6bb5\u9519\u8bef\uff09\u3002",
  "discovererName": "unknwon",
  "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/vlm/asn1c",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-29853",
  "openTime": "2017-10-12",
  "products": {
    "product": "ASN1C ASN1C 0.9.28"
  },
  "referenceLink": "https://drive.google.com/file/d/0B9DojFnTUSNGd05zSHI1RmpKQjQ/view",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-21",
  "title": "ASN1C \u0027asn1f_lookup_symbol_impl\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-12966 (GCVE-0-2017-12966)

Vulnerability from cvelistv5 – Published: 2017-08-20 16:00 – Updated: 2024-08-05 18:51

Summary

The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://drive.google.com/open?id=0B9DojFnTUSNGd05…

x_refsource_MISC

Date Public ?

2017-08-20 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://drive.google.com/open?id=0B9DojFnTUSNGd05zSHI1RmpKQjQ"
          }
        ],
        "title": "CVE Program Container"
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      "descriptions": [
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        "dateUpdated": "2017-08-20T15:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
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          "url": "https://drive.google.com/open?id=0B9DojFnTUSNGd05zSHI1RmpKQjQ"
        }
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                            "version_value": "n/a"
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    "dateReserved": "2017-08-19T00:00:00.000Z",
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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.

Action not permitted

CNVD-2017-29853

CVE-2017-12966 (GCVE-0-2017-12966)

Tags

Sightings

Nomenclature