cnvd - cnvd-2018-19869

cnvd-2018-19869

Vulnerability from cnvd

Title: HAProxy HPACK decoder越界读取漏洞

Description:

HAProxy是法国HAProxy公司的一款开源的TCP/HTTP负载均衡服务器。该服务器提供4层、7层代理，并能支持上万级别的连接，具有高效、稳定等特点。HPACK decoder是其中的一个HPACK（HTTP2头部压缩算法）解码器。

HAProxy 1.8.14之前版本中的HPACK decoder的‘hpack_valid_idx()’函数存在越界读取漏洞，远程攻击者可利用该漏洞造成拒绝服务（崩溃）。

Severity: 高

Patch Name: HAProxy HPACK decoder越界读取漏洞的补丁

Patch Description:

HAProxy 1.8.14之前版本中的HPACK decoder的‘hpack_valid_idx()’函数存在越界读取漏洞，远程攻击者可利用该漏洞造成拒绝服务（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:

厂商已发布了漏洞修复程序，请及时关注更新： http://www.haproxy.org/

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645 https://www.mail-archive.com/haproxy@formilux.org/msg31253.html

Impacted products

Name
HAProxy HAProxy <1.8.14

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-14645"
    }
  },
  "description": "HAProxy\u662f\u6cd5\u56fdHAProxy\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684TCP/HTTP\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u63d0\u4f9b4\u5c42\u30017\u5c42\u4ee3\u7406\uff0c\u5e76\u80fd\u652f\u6301\u4e0a\u4e07\u7ea7\u522b\u7684\u8fde\u63a5\uff0c\u5177\u6709\u9ad8\u6548\u3001\u7a33\u5b9a\u7b49\u7279\u70b9\u3002HPACK decoder\u662f\u5176\u4e2d\u7684\u4e00\u4e2aHPACK\uff08HTTP2\u5934\u90e8\u538b\u7f29\u7b97\u6cd5\uff09\u89e3\u7801\u5668\u3002\r\n\r\nHAProxy 1.8.14\u4e4b\u524d\u7248\u672c\u4e2d\u7684HPACK decoder\u7684\u2018hpack_valid_idx()\u2019\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u3002",
  "discovererName": "Pedro Sampaio",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.haproxy.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-19869",
  "openTime": "2018-09-27",
  "patchDescription": "HAProxy\u662f\u6cd5\u56fdHAProxy\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684TCP/HTTP\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668\u3002\u8be5\u670d\u52a1\u5668\u63d0\u4f9b4\u5c42\u30017\u5c42\u4ee3\u7406\uff0c\u5e76\u80fd\u652f\u6301\u4e0a\u4e07\u7ea7\u522b\u7684\u8fde\u63a5\uff0c\u5177\u6709\u9ad8\u6548\u3001\u7a33\u5b9a\u7b49\u7279\u70b9\u3002HPACK decoder\u662f\u5176\u4e2d\u7684\u4e00\u4e2aHPACK\uff08HTTP2\u5934\u90e8\u538b\u7f29\u7b97\u6cd5\uff09\u89e3\u7801\u5668\u3002\r\n\r\nHAProxy 1.8.14\u4e4b\u524d\u7248\u672c\u4e2d\u7684HPACK decoder\u7684\u2018hpack_valid_idx()\u2019\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\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": "HAProxy HPACK decoder\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "HAProxy HAProxy \u003c1.8.14"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645\r\nhttps://www.mail-archive.com/haproxy@formilux.org/msg31253.html",
  "serverity": "\u9ad8",
  "submitTime": "2018-09-26",
  "title": "HAProxy HPACK decoder\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2018-14645 (GCVE-0-2018-14645)

Vulnerability from cvelistv5

Published

2018-09-21 13:00

Modified

2024-08-05 09:38

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-125

Summary

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

References

▼	URL	Tags
	https://usn.ubuntu.com/3780-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:2882	vendor-advisory, x_refsource_REDHAT
	https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHBA-2019:0028	vendor-advisory, x_refsource_REDHAT

Impacted products

	Vendor	Product	Version
	[UNKNOWN]	haproxy	Version: 1.8.14

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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