Vulnerability-Lookup

CNVD-2018-04361

Vulnerability from cnvd - Published: 2018-03-06

Title

GNU Libtasn1 '_asn1_decode_simple_ber'函数栈耗尽漏洞

Description

GNU Libtasn1是软件开发者Fabio Fiorina所研发的一个用于GnuTLS（实现SSL、TLS和DTLS协议的安全通信库）中的ASN.1结构管理库。 GNU Libtasn1 4.13之前版本中的decoding.c文件的'_asn1_decode_simple_ber'函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（不受限的递归和栈耗尽）。

Severity

中

Patch Name

GNU Libtasn1 '_asn1_decode_simple_ber'函数栈耗尽漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-6003

Impacted products

Name
Gnu Libtasn1 <4.13

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6003"
    }
  },
  "description": "GNU Libtasn1\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Fabio Fiorina\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u7528\u4e8eGnuTLS\uff08\u5b9e\u73b0SSL\u3001TLS\u548cDTLS\u534f\u8bae\u7684\u5b89\u5168\u901a\u4fe1\u5e93\uff09\u4e2d\u7684ASN.1\u7ed3\u6784\u7ba1\u7406\u5e93\u3002\r\n\r\nGNU Libtasn1 4.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684decoding.c\u6587\u4ef6\u7684\u0027_asn1_decode_simple_ber\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e0d\u53d7\u9650\u7684\u9012\u5f52\u548c\u6808\u8017\u5c3d\uff09\u3002",
  "discovererName": "Nikos Mavrogiannopoulos",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04361",
  "openTime": "2018-03-06",
  "patchDescription": "GNU Libtasn1\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Fabio Fiorina\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u7528\u4e8eGnuTLS\uff08\u5b9e\u73b0SSL\u3001TLS\u548cDTLS\u534f\u8bae\u7684\u5b89\u5168\u901a\u4fe1\u5e93\uff09\u4e2d\u7684ASN.1\u7ed3\u6784\u7ba1\u7406\u5e93\u3002\r\n\r\nGNU Libtasn1 4.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684decoding.c\u6587\u4ef6\u7684\u0027_asn1_decode_simple_ber\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4e0d\u53d7\u9650\u7684\u9012\u5f52\u548c\u6808\u8017\u5c3d\uff09\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 Libtasn1 \u0027_asn1_decode_simple_ber\u0027\u51fd\u6570\u6808\u8017\u5c3d\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu Libtasn1 \u003c4.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-6003",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-23",
  "title": "GNU Libtasn1 \u0027_asn1_decode_simple_ber\u0027\u51fd\u6570\u6808\u8017\u5c3d\u6f0f\u6d1e"
}

CVE-2018-6003 (GCVE-0-2018-6003)

Vulnerability from cvelistv5 – Published: 2018-01-22 20:00 – Updated: 2024-08-05 05:47

Summary

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2334 records in the last 180 days details

References

7 references

URL	Tags
https://gitlab.com/gnutls/libtasn1/commit/946565d…	x_refsource_CONFIRM
https://bugzilla.suse.com/show_bug.cgi?id=1076832	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1535926	x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4106	vendor-advisoryx_refsource_DEBIAN
http://git.savannah.nongnu.org/cgit/libtasn1.git/…	x_refsource_CONFIRM
https://lists.apache.org/thread.html/rf4c02775860…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294b…	mailing-listx_refsource_MLIST

Date Public

2018-01-22 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.

Vulnerability timeline

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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.

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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.

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