cnvd - cnvd-2020-23177

cnvd-2020-23177

Vulnerability from cnvd

Title: HAProxy缓冲区溢出漏洞

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。

HAProxy 1.8版本至2.x版本（2.1.4版本已修复）中的HPACK解码器的hpack-tbl.c文件的hpack_dht_insert存在安全漏洞。远程攻击者可借助特制的HTTP/2请求利用该漏洞执行代码。

Severity: 高

Patch Name: HAProxy缓冲区溢出漏洞的补丁

Patch 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。

HAProxy 1.8版本至2.x版本（2.1.4版本已修复）中的HPACK解码器的hpack-tbl.c文件的hpack_dht_insert存在安全漏洞。远程攻击者可借助特制的HTTP/2请求利用该漏洞执行代码。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.haproxy.org/download/2.1/src/CHANGELOG

Impacted products

Name
HAProxy HAProxy >=1.8，<=2.1.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11100"
    }
  },
  "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\u3002\n\nHAProxy 1.8\u7248\u672c\u81f32.x\u7248\u672c\uff082.1.4\u7248\u672c\u5df2\u4fee\u590d\uff09\u4e2d\u7684HPACK\u89e3\u7801\u5668\u7684hpack-tbl.c\u6587\u4ef6\u7684hpack_dht_insert\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684HTTP/2\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.haproxy.org/download/2.1/src/CHANGELOG",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-23177",
  "openTime": "2020-04-16",
  "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\u3002\r\n\r\nHAProxy 1.8\u7248\u672c\u81f32.x\u7248\u672c\uff082.1.4\u7248\u672c\u5df2\u4fee\u590d\uff09\u4e2d\u7684HPACK\u89e3\u7801\u5668\u7684hpack-tbl.c\u6587\u4ef6\u7684hpack_dht_insert\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684HTTP/2\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "HAProxy HAProxy \u003e=1.8\uff0c\u003c=2.1.4"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-03",
  "title": "HAProxy\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-11100 (GCVE-0-2020-11100)

Vulnerability from cvelistv5

Published

2020-04-02 14:23

Modified

2024-08-04 11:21

Severity ?

CWE

Summary

In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.

References

▼	URL	Tags
	http://www.haproxy.org	x_refsource_MISC
	https://www.haproxy.org/download/2.1/src/CHANGELOG	x_refsource_CONFIRM
	https://lists.debian.org/debian-security-announce/2020/msg00052.html	x_refsource_CONFIRM
	https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1819111	x_refsource_CONFIRM
	https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88	x_refsource_CONFIRM
	https://bugzilla.suse.com/show_bug.cgi?id=1168023	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html	vendor-advisory, x_refsource_SUSE
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2020/dsa-4649	vendor-advisory, x_refsource_DEBIAN
	https://usn.ubuntu.com/4321-1/	vendor-advisory, x_refsource_UBUNTU
	http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202012-22	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

To clipboard

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        },
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    "dateReserved": "2020-03-30T00:00:00",
    "dateUpdated": "2024-08-04T11:21:14.619Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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