fkie_cve-2017-17806
Vulnerability from fkie_nvd
Published
2017-12-20 23:29
Modified
2024-11-21 03:18
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1Patch
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.htmlIssue Tracking, Patch, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlIssue Tracking, Patch, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.htmlIssue Tracking, Patch, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.htmlIssue Tracking, Patch, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.htmlIssue Tracking, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/102293Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1Patch
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/01/msg00004.htmlThird Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3583-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3583-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3617-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3617-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3617-3/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3619-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3619-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3632-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2017/dsa-4073Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4082Third Party Advisory
cve@mitre.orghttps://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8Issue Tracking, Release Notes
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.htmlIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.htmlIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.htmlIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.htmlIssue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/102293Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2948Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/af3ff8045bbf3e32f1a448542e73abb4c8ceb6f1Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/01/msg00004.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3583-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3583-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3617-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3619-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3619-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3632-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2017/dsa-4073Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4082Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8Issue Tracking, Release Notes
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 8.0
debian debian_linux 9.0
opensuse leap 42.2
opensuse_project leap 42.3
suse linux_enterprise_desktop 12
suse linux_enterprise_desktop 12
suse linux_enterprise_server 11
suse linux_enterprise_server 11
suse linux_enterprise_server 12
suse linux_enterprise_server 12
suse linux_enterprise_server_for_raspberry_pi 12
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 17.10


To clipboard 

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   cveTags: [],
   descriptions: [
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         value: "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.",
      },
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         lang: "es",
         value: "La implementación HMAC (crypto/hmac.c) en el kernel de Linux en versiones anteriores a la 4.14.8 no valida que el algoritmo de hash criptográfico subyacente no tenga clave, lo que permite que un atacante local capaz de utilizar la interfaz hash basada en AF_ALG (CONFIG_CRYPTO_USER_API_HASH) y el algoritmo hash basado en SHA-3 (CONFIG_CRYPTO_SHA3) provoque un desbordamiento de búfer de pila de kernel ejecutando una secuencia manipulada de llamadas al sistema para encontrar una inicialización SHA-3 ausente.",
      },
   ],
   id: "CVE-2017-17806",
   lastModified: "2024-11-21T03:18:42.750",
   metrics: {
      cvssMetricV2: [
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            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
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               accessVector: "LOCAL",
               authentication: "NONE",
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               baseScore: 7.2,
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               integrityImpact: "COMPLETE",
               vectorString: "AV:L/AC:L/Au:N/C:C/I:C/A:C",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 10,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
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            source: "nvd@nist.gov",
            type: "Primary",
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   published: "2017-12-20T23:29:00.377",
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            "Third Party Advisory",
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         url: "https://usn.ubuntu.com/3617-3/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/3619-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/3619-2/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/3632-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2017/dsa-4073",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2018/dsa-4082",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Release Notes",
         ],
         url: "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-787",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




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.