cnvd - cnvd-2017-11654

cnvd-2017-11654

Vulnerability from cnvd

Title: GnuTLS libtasn1“asn1_find_node()”缓冲区溢出漏洞

Description:

Libtasn1是GnuTLS使用的ASN.1库。

GnuTLS libtasn1中的lib/parser_aux.c中的"asn1_find_node()"函数存在缓冲区溢出漏洞，攻击者可通过诱使用户通过诸如asn1Coding等实用程序处理专门设计的作业文件而栈缓冲区溢出。

Severity: 中

Patch Name: GnuTLS libtasn1“asn1_find_node()”缓冲区溢出漏洞的补丁

Patch Description:

Libtasn1是GnuTLS使用的ASN.1库。

GnuTLS libtasn1中的lib/parser_aux.c中的"asn1_find_node()"函数存在缓冲区溢出漏洞，攻击者可通过诱使用户通过诸如asn1Coding等实用程序处理专门设计的作业文件而栈缓冲区溢出。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： http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484

Reference: http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484

Impacted products

Name
Gnutls libtasn1 4.10

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "98641"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-6891"
    }
  },
  "description": "Libtasn1\u662fGnuTLS\u4f7f\u7528\u7684ASN.1\u5e93\u3002\r\n\r\nGnuTLS libtasn1\u4e2d\u7684lib/parser_aux.c\u4e2d\u7684\"asn1_find_node()\"\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u901a\u8fc7\u8bf8\u5982asn1Coding\u7b49\u5b9e\u7528\u7a0b\u5e8f\u5904\u7406\u4e13\u95e8\u8bbe\u8ba1\u7684\u4f5c\u4e1a\u6587\u4ef6\u800c\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "discovererName": "Jakub Jirasek, Secunia Research at Flexera Software.",
  "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\nhttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-11654",
  "openTime": "2017-06-27",
  "patchDescription": "Libtasn1\u662fGnuTLS\u4f7f\u7528\u7684ASN.1\u5e93\u3002\r\n\r\nGnuTLS libtasn1\u4e2d\u7684lib/parser_aux.c\u4e2d\u7684\"asn1_find_node()\"\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u901a\u8fc7\u8bf8\u5982asn1Coding\u7b49\u5b9e\u7528\u7a0b\u5e8f\u5904\u7406\u4e13\u95e8\u8bbe\u8ba1\u7684\u4f5c\u4e1a\u6587\u4ef6\u800c\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\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 libtasn1\u201casn1_find_node()\u201d\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnutls libtasn1 4.10"
  },
  "referenceLink": "http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=5520704d075802df25ce4ffccc010ba1641bd484",
  "serverity": "\u4e2d",
  "submitTime": "2017-06-05",
  "title": "GnuTLS libtasn1\u201casn1_find_node()\u201d\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-6891 (GCVE-0-2017-6891)

Vulnerability from cvelistv5

Published

2017-05-22 19:00

Modified

2024-08-05 15:41

Severity ?

CWE

Stack-based buffer overflow leading to system compromise

Summary

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

References

▼	URL	Tags
	https://security.gentoo.org/glsa/201710-11	vendor-advisory, x_refsource_GENTOO
	http://www.debian.org/security/2017/dsa-3861	vendor-advisory, x_refsource_DEBIAN
	https://secuniaresearch.flexerasoftware.com/advisories/76125/	x_refsource_MISC
	https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/	x_refsource_MISC
	http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/98641	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1038619	vdb-entry, x_refsource_SECTRACK
	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	Flexera Software LLC	GnuTLS libtasn1	Version: 4.10. Other versions may also be affected.

Show details on NVD website

JSON

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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