Vulnerability-Lookup

CNVD-2017-37875

Vulnerability from cnvd - Published: 2017-12-22

Title

Linux kernel缓冲区溢出漏洞（CNVD-2017-37875）

Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.8之前的版本中的HMAC实现存在缓冲区溢出漏洞。本地攻击者可通过执行一系列特制的系统调用利用该漏洞执行代码或造成拒绝服务。

Severity

中

Patch Name

Linux kernel缓冲区溢出漏洞（CNVD-2017-37875）的补丁

Patch Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.8之前的版本中的HMAC实现存在缓冲区溢出漏洞。本地攻击者可通过执行一系列特制的系统调用利用该漏洞执行代码或造成拒绝服务。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.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1

Reference

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1

Impacted products

Name
Linux kernel <4.14.8

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17806"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.14.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684HMAC\u5b9e\u73b0\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6267\u884c\u4e00\u7cfb\u5217\u7279\u5236\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Eric Biggers",
  "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.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37875",
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  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.14.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684HMAC\u5b9e\u73b0\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6267\u884c\u4e00\u7cfb\u5217\u7279\u5236\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\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",
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  "serverity": "\u4e2d",
  "submitTime": "2017-12-22",
  "title": "Linux kernel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-37875\uff09"
}

CVE-2017-17806 (GCVE-0-2017-17806)

Vulnerability from cvelistv5 – Published: 2017-12-20 23:00 – Updated: 2024-08-05 20:59

Summary

The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AF_ALG-based hash interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3 hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

21 references

URL	Tags
https://usn.ubuntu.com/3617-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3619-2/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4082	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3617-3/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/3583-2/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://github.com/torvalds/linux/commit/af3ff804…	x_refsource_CONFIRM
https://usn.ubuntu.com/3632-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/102293	vdb-entryx_refsource_BID
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:2948	vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3583-1/	vendor-advisoryx_refsource_UBUNTU
https://www.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2017/dsa-4073	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3617-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3619-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2017-12-20 00:00

Show details on NVD website

JSON

To clipboard

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            },
            {
              "name": "https://github.com/torvalds/linux/commit/af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1",
              "refsource": "CONFIRM",
              "url": "https://github.com/torvalds/linux/commit/af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1"
            },
            {
              "name": "USN-3632-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3632-1/"
            },
            {
              "name": "openSUSE-SU-2018:0022",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html"
            },
            {
              "name": "102293",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/102293"
            },
            {
              "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1",
              "refsource": "CONFIRM",
              "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1"
            },
            {
              "name": "RHSA-2018:2948",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2948"
            },
            {
              "name": "USN-3583-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3583-1/"
            },
            {
              "name": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8",
              "refsource": "CONFIRM",
              "url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8"
            },
            {
              "name": "SUSE-SU-2018:0010",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html"
            },
            {
              "name": "DSA-4073",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2017/dsa-4073"
            },
            {
              "name": "USN-3617-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3617-2/"
            },
            {
              "name": "USN-3619-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3619-1/"
            },
            {
              "name": "openSUSE-SU-2018:0023",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-17806",
    "datePublished": "2017-12-20T23:00:00.000Z",
    "dateReserved": "2017-12-20T00:00:00.000Z",
    "dateUpdated": "2024-08-05T20:59:17.961Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.