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cnvd-2018-02230
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞(CNVD-2018-02230)
Description
Linux kernel是一种计算机操作系统内核,以C语言和汇编语言写成,符合POSIX标准,按GNU通用公共许可证发行。
Linux kernel中的net/netfilter/xt_TCPMSS.c中的tcpmss_mangle_packet函数存在拒绝服务漏洞。远程攻击者可利用该漏洞导致拒绝服务(内存错误引用和内存破坏)。
Severity
高
        VLAI Severity ?
      
      Patch Name
Linux kernel拒绝服务漏洞(CNVD-2018-02230)的补丁
Patch Description
Linux kernel是一种计算机操作系统内核,以C语言和汇编语言写成,符合POSIX标准,按GNU通用公共许可证发行。
Linux kernel中的net/netfilter/xt_TCPMSS.c中的tcpmss_mangle_packet函数存在拒绝服务漏洞。远程攻击者可利用该漏洞导致拒绝服务(内存错误引用和内存破坏)。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
目前厂商已发布漏洞修复程序,请及时关注更新: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901
Reference
https://nvd.nist.gov/vuln/detail/CVE-2017-18017
https://www.securityfocus.com/bid/102367
Impacted products
          | Name | ['Linux kernel <4.11', 'Linux Kernel 4.9.*,<4.9.36'] | 
|---|
{
  "bids": {
    "bid": {
      "bidNumber": "102367"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18017"
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  "description": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel\u4e2d\u7684net/netfilter/xt_TCPMSS.c\u4e2d\u7684tcpmss_mangle_packet\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u9519\u8bef\u5f15\u7528\u548c\u5185\u5b58\u7834\u574f\uff09\u3002",
  "discovererName": "Linux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd991d8f4925cb3f081901",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-02230",
  "openTime": "2018-01-30",
  "patchDescription": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel\u4e2d\u7684net/netfilter/xt_TCPMSS.c\u4e2d\u7684tcpmss_mangle_packet\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u9519\u8bef\u5f15\u7528\u548c\u5185\u5b58\u7834\u574f\uff09\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": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-02230\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux kernel \u003c4.11",
      "Linux Kernel 4.9.*\uff0c\u003c4.9.36"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-18017\r\nhttps://www.securityfocus.com/bid/102367",
  "serverity": "\u9ad8",
  "submitTime": "2018-01-03",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-02230\uff09"
}
  CVE-2017-18017 (GCVE-0-2017-18017)
Vulnerability from cvelistv5
Published
2018-01-03 06:00
      Modified
2025-01-03 12:04
      
          Severity ?
        
        
          VLAI Severity ?
        
        
          EPSS score ?
        
        CWE
          - n/a
Summary
The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.
            
          
        References
          {
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    ],
    "cna": {
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          "versions": [
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              "type": "text"
            }
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        "shortName": "mitre"
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        },
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        },
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            "x_refsource_REDHAT"
          ],
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        },
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        },
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          ],
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        },
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          ],
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          "url": "https://access.redhat.com/errata/RHSA-2018:1170"
        },
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        },
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        },
        {
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          ],
          "url": "http://www.securityfocus.com/bid/102367"
        },
        {
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          "tags": [
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          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.html"
        },
        {
          "name": "SUSE-SU-2018:0848",
          "tags": [
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            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-03/msg00072.html"
        },
        {
          "name": "SUSE-SU-2018:0383",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00008.html"
        },
        {
          "name": "USN-3583-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-3583-1"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K18352029"
        },
        {
          "name": "SUSE-SU-2018:0555",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00047.html"
        },
        {
          "name": "openSUSE-SU-2018:0408",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00013.html"
        },
        {
          "name": "SUSE-SU-2018:0986",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-04/msg00014.html"
        },
        {
          "name": "SUSE-SU-2018:0416",
          "tags": [
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            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00015.html"
        },
        {
          "name": "SUSE-SU-2018:0482",
          "tags": [
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            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00038.html"
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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