cnvd - cnvd-2020-36745

cnvd-2020-36745

Vulnerability from cnvd

Title: QEMU缓冲区溢出漏洞（CNVD-2020-36745）

Description:

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。

QEMU 4.1.0版本中的hw/core/loader.c文件的‘rom_copy’函数存在安全漏洞，该漏洞源于程序无法验证两个地址之间的关系。攻击者可利用该漏洞向任意内存位置加载内容，可能执行代码。

Severity: 中

Patch Name: QEMU缓冲区溢出漏洞（CNVD-2020-36745）的补丁

Patch Description:

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。

QEMU 4.1.0版本中的hw/core/loader.c文件的‘rom_copy’函数存在安全漏洞，该漏洞源于程序无法验证两个地址之间的关系。攻击者可利用该漏洞向任意内存位置加载内容，可能执行代码。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://git.qemu.org/?p=qemu.git;a=commitdiff;h=e423455c4f23a1a828901c78fe6d03b7dde79319

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-13765

Impacted products

Name
Qemu QEMU 4.1.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13765"
    }
  },
  "description": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\n\nQEMU 4.1.0\u7248\u672c\u4e2d\u7684hw/core/loader.c\u6587\u4ef6\u7684\u2018rom_copy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u65e0\u6cd5\u9a8c\u8bc1\u4e24\u4e2a\u5730\u5740\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u4efb\u610f\u5185\u5b58\u4f4d\u7f6e\u52a0\u8f7d\u5185\u5bb9\uff0c\u53ef\u80fd\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://git.qemu.org/?p=qemu.git;a=commitdiff;h=e423455c4f23a1a828901c78fe6d03b7dde79319",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-36745",
  "openTime": "2020-07-07",
  "patchDescription": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU 4.1.0\u7248\u672c\u4e2d\u7684hw/core/loader.c\u6587\u4ef6\u7684\u2018rom_copy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u65e0\u6cd5\u9a8c\u8bc1\u4e24\u4e2a\u5730\u5740\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u4efb\u610f\u5185\u5b58\u4f4d\u7f6e\u52a0\u8f7d\u5185\u5bb9\uff0c\u53ef\u80fd\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": "QEMU\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-36745\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Qemu QEMU 4.1.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13765",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-05",
  "title": "QEMU\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-36745\uff09"
}

CVE-2020-13765 (GCVE-0-2020-13765)

Vulnerability from cvelistv5

Published

2020-06-04 15:26

Modified

2024-08-04 12:25

Severity ?

CWE

Summary

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

References

▼	URL	Tags
	https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319	x_refsource_MISC
	https://www.openwall.com/lists/oss-security/2020/06/03/6	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20200619-0006/	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4467-1/	vendor-advisory, x_refsource_UBUNTU
	https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676	x_refsource_MISC

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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