cnvd-2019-03583
Vulnerability from cnvd
Title: QEMU缓冲区溢出漏洞（CNVD-2019-03583）
Description:
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发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中的slirp的‘tcp_emu()’例程存在缓冲区溢出漏洞。攻击者可利用该漏洞造成QEMU进程崩溃，导致拒绝服务或可能以QEMU进程权限执行任意代码。
Severity: 高
Patch Name: QEMU缓冲区溢出漏洞（CNVD-2019-03583）的补丁
Patch Description:
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发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中的slirp的‘tcp_emu()’例程存在缓冲区溢出漏洞。攻击者可利用该漏洞造成QEMU进程崩溃，导致拒绝服务或可能以QEMU进程权限执行任意代码。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:
厂商已发布了漏洞修复程序，请及时关注更新： https://www.qemu.org/
Reference: https://vigilance.fr/vulnerability/QEMU-buffer-overflow-via-tcp-emu-28367
Impacted products
| Name | Qemu QEMU 无 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2019-6778"
}
},
"description": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\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\u4e2d\u7684slirp\u7684\u2018tcp_emu()\u2019\u4f8b\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210QEMU\u8fdb\u7a0b\u5d29\u6e83\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6216\u53ef\u80fd\u4ee5QEMU\u8fdb\u7a0b\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
"discovererName": "unKnow",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.qemu.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2019-03583",
"openTime": "2019-02-01",
"patchDescription": "QEMU\uff08\u53c8\u540dQuick Emulator\uff09\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\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\u4e2d\u7684slirp\u7684\u2018tcp_emu()\u2019\u4f8b\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210QEMU\u8fdb\u7a0b\u5d29\u6e83\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6216\u53ef\u80fd\u4ee5QEMU\u8fdb\u7a0b\u6743\u9650\u6267\u884c\u4efb\u610f\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-2019-03583\uff09\u7684\u8865\u4e01",
"products": {
"product": "Qemu QEMU \u65e0"
},
"referenceLink": "https://vigilance.fr/vulnerability/QEMU-buffer-overflow-via-tcp-emu-28367",
"serverity": "\u9ad8",
"submitTime": "2019-01-30",
"title": "QEMU\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-03583\uff09"
}
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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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