cnvd - cnvd-2016-01309

cnvd-2016-01309

Vulnerability from cnvd

Title: Nettle存在未明漏洞

Description:

Nettle是一个基本的加密函数库。

Nettle 3.2之前版本的ecc-256.c文件中的‘ecc_256_modp’函数存在安全漏洞，该漏洞源于程序在实现P-256 NIST椭圆曲线时，未能正确处理进位传送。攻击者可利用该漏洞导致程序产生错误的输出。

Severity: 中

Patch Name: Nettle存在未明漏洞的补丁

Patch Description:

Nettle是一个基本的加密函数库。

Nettle 3.2之前版本的ecc-256.c文件中的‘ecc_256_modp’函数存在安全漏洞，该漏洞源于程序在实现P-256 NIST椭圆曲线时，未能正确处理进位传送。攻击者可利用该漏洞导致程序产生错误的输出。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： https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html

Reference: https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html http://www.openwall.com/lists/oss-security/2016/02/03/1 https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html

Impacted products

Name
Nettle Nettle <3.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8803"
    }
  },
  "description": "Nettle\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u52a0\u5bc6\u51fd\u6570\u5e93\u3002\r\n\r\nNettle 3.2\u4e4b\u524d\u7248\u672c\u7684ecc-256.c\u6587\u4ef6\u4e2d\u7684\u2018ecc_256_modp\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u5b9e\u73b0P-256 NIST\u692d\u5706\u66f2\u7ebf\u65f6\uff0c\u672a\u80fd\u6b63\u786e\u5904\u7406\u8fdb\u4f4d\u4f20\u9001\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u4ea7\u751f\u9519\u8bef\u7684\u8f93\u51fa\u3002",
  "discovererName": "Hanno B\u00f6ck",
  "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://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01309",
  "openTime": "2016-02-26",
  "patchDescription": "Nettle\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u52a0\u5bc6\u51fd\u6570\u5e93\u3002\r\n\r\nNettle 3.2\u4e4b\u524d\u7248\u672c\u7684ecc-256.c\u6587\u4ef6\u4e2d\u7684\u2018ecc_256_modp\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u5b9e\u73b0P-256 NIST\u692d\u5706\u66f2\u7ebf\u65f6\uff0c\u672a\u80fd\u6b63\u786e\u5904\u7406\u8fdb\u4f4d\u4f20\u9001\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u4ea7\u751f\u9519\u8bef\u7684\u8f93\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": "Nettle\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nettle Nettle \u003c3.2"
  },
  "referenceLink": "https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html\r\nhttp://www.openwall.com/lists/oss-security/2016/02/03/1\r\nhttps://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-25",
  "title": "Nettle\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2015-8803 (GCVE-0-2015-8803)

Vulnerability from cvelistv5

Published

2016-02-23 19:00

Modified

2024-08-06 08:29

Severity ?

CWE

Summary

The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in its implementation of the P-256 NIST elliptic curve, which allows attackers to have unspecified impact via unknown vectors, a different vulnerability than CVE-2015-8805.

References

▼	URL	Tags
	http://lists.opensuse.org/opensuse-updates/2016-02/msg00100.html	vendor-advisory, x_refsource_SUSE
	https://blog.fuzzing-project.org/38-Miscomputations-of-elliptic-curve-scalar-multiplications-in-Nettle.html	x_refsource_MISC
	https://lists.lysator.liu.se/pipermail/nettle-bugs/2015/003028.html	mailing-list, x_refsource_MLIST
	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177473.html	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-updates/2016-02/msg00093.html	vendor-advisory, x_refsource_SUSE
	https://git.lysator.liu.se/nettle/nettle/commit/c71d2c9d20eeebb985e3872e4550137209e3ce4d	x_refsource_CONFIRM
	http://www.ubuntu.com/usn/USN-2897-1	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-updates/2016-02/msg00091.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2016/02/02/2	mailing-list, x_refsource_MLIST
	http://rhn.redhat.com/errata/RHSA-2016-2582.html	vendor-advisory, x_refsource_REDHAT
	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176807.html	vendor-advisory, x_refsource_FEDORA
	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177229.html	vendor-advisory, x_refsource_FEDORA
	https://lists.gnu.org/archive/html/info-gnu/2016-01/msg00006.html	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2016/02/03/1	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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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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