cnvd - cnvd-2020-58045

cnvd-2020-58045

Vulnerability from cnvd

Title: libproxy缓冲区溢出漏洞（CNVD-2020-58045）

Description:

libproxy是个人开发者的一个提供自动配置代理的库。

libproxy 0.4.15版本存在缓冲区溢出漏洞，该漏洞源于urls .cpp很容易发生缓冲区溢出，这从一个无内容长度头的大PAC文件就可以看出。目前没有详细漏洞细节提供。

Severity: 低

Patch Name: libproxy缓冲区溢出漏洞（CNVD-2020-58045）的补丁

Patch Description:

libproxy是个人开发者的一个提供自动配置代理的库。

libproxy 0.4.15版本存在缓冲区溢出漏洞，该漏洞源于urls .cpp很容易发生缓冲区溢出，这从一个无内容长度头的大PAC文件就可以看出。目前没有详细漏洞细节提供。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://github.com/libproxy/libproxy/pull/126

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-26154

Impacted products

Name
libproxy libproxy 0.4.15

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26154",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26154"
    }
  },
  "description": "libproxy\u662f\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u4e2a\u63d0\u4f9b\u81ea\u52a8\u914d\u7f6e\u4ee3\u7406\u7684\u5e93\u3002\n\nlibproxy 0.4.15\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eurls .cpp\u5f88\u5bb9\u6613\u53d1\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u8fd9\u4ece\u4e00\u4e2a\u65e0\u5185\u5bb9\u957f\u5ea6\u5934\u7684\u5927PAC\u6587\u4ef6\u5c31\u53ef\u4ee5\u770b\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://github.com/libproxy/libproxy/pull/126",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-58045",
  "openTime": "2020-10-22",
  "patchDescription": "libproxy\u662f\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u4e2a\u63d0\u4f9b\u81ea\u52a8\u914d\u7f6e\u4ee3\u7406\u7684\u5e93\u3002\r\n\r\nlibproxy 0.4.15\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eurls .cpp\u5f88\u5bb9\u6613\u53d1\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u8fd9\u4ece\u4e00\u4e2a\u65e0\u5185\u5bb9\u957f\u5ea6\u5934\u7684\u5927PAC\u6587\u4ef6\u5c31\u53ef\u4ee5\u770b\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "libproxy\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-58045\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libproxy libproxy 0.4.15"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-26154",
  "serverity": "\u4f4e",
  "submitTime": "2020-09-30",
  "title": "libproxy\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-58045\uff09"
}

CVE-2020-26154 (GCVE-0-2020-26154)

Vulnerability from cvelistv5

Published

2020-09-29 22:02

Modified

2024-08-04 15:49

Severity ?

CWE

Summary

url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.

References

▼	URL	Tags
	https://github.com/libproxy/libproxy/pull/126	x_refsource_MISC
	https://bugs.debian.org/968366	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020/11/msg00024.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4800	vendor-advisory, x_refsource_DEBIAN

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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