cnvd-2022-84156
Vulnerability from cnvd

Title: QEMU缓冲区溢出漏洞(CNVD-2022-84156)

Description:

QEMU(Quick Emulator)是法国法布里斯-贝拉(Fabrice Bellard)个人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存在缓冲区溢出漏洞,该漏洞源于ACPI错误记录序列化表(ERST)设备的read_erst_record()和write_erst_record()函数中对输入数据大小或者长度缺乏验证,恶意攻击者可利用该漏洞使主机上的QEMU进程崩溃。

Severity:

Patch Name: QEMU缓冲区溢出漏洞(CNVD-2022-84156)的补丁

Patch Description:

QEMU(Quick Emulator)是法国法布里斯-贝拉(Fabrice Bellard)个人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存在缓冲区溢出漏洞,该漏洞源于ACPI错误记录序列化表(ERST)设备的read_erst_record()和write_erst_record()函数中对输入数据大小或者长度缺乏验证,恶意攻击者可利用该漏洞使主机上的QEMU进程崩溃。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: https://gitlab.com/qemu-project/qemu/-/issues/1268

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-4172

Impacted products
Name
QEMU QEMU 7.0.0
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-4172",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-4172"
    }
  },
  "description": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\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\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eACPI\u9519\u8bef\u8bb0\u5f55\u5e8f\u5217\u5316\u8868(ERST)\u8bbe\u5907\u7684read_erst_record()\u548cwrite_erst_record()\u51fd\u6570\u4e2d\u5bf9\u8f93\u5165\u6570\u636e\u5927\u5c0f\u6216\u8005\u957f\u5ea6\u7f3a\u4e4f\u9a8c\u8bc1\uff0c\u6076\u610f\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u4e3b\u673a\u4e0a\u7684QEMU\u8fdb\u7a0b\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/qemu-project/qemu/-/issues/1268",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-84156",
  "openTime": "2022-12-02",
  "patchDescription": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\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\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eACPI\u9519\u8bef\u8bb0\u5f55\u5e8f\u5217\u5316\u8868(ERST)\u8bbe\u5907\u7684read_erst_record()\u548cwrite_erst_record()\u51fd\u6570\u4e2d\u5bf9\u8f93\u5165\u6570\u636e\u5927\u5c0f\u6216\u8005\u957f\u5ea6\u7f3a\u4e4f\u9a8c\u8bc1\uff0c\u6076\u610f\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u4e3b\u673a\u4e0a\u7684QEMU\u8fdb\u7a0b\u5d29\u6e83\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-2022-84156\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU 7.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-4172",
  "serverity": "\u4e2d",
  "submitTime": "2022-12-01",
  "title": "QEMU\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-84156\uff09"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…