GHSA-55CC-H8M2-X3MP

Vulnerability from github – Published: 2022-05-14 03:09 – Updated: 2025-04-12 12:38
VLAI
Details

GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access, and untrusted-pointer read and write operations) via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271 and CVE-2014-7169.

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{
  "affected": [],
  "aliases": [
    "CVE-2014-6277"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2014-09-27T22:55:00Z",
    "severity": "HIGH"
  },
  "details": "GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access, and untrusted-pointer read and write operations) via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271 and CVE-2014-7169.",
  "id": "GHSA-55cc-h8m2-x3mp",
  "modified": "2025-04-12T12:38:45Z",
  "published": "2022-05-14T03:09:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-6277"
    },
    {
      "type": "WEB",
      "url": "https://kb.bluecoat.com/index?page=content\u0026id=SA82"
    },
    {
      "type": "WEB",
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    },
    {
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    },
    {
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      "url": "https://support.apple.com/HT205267"
    },
    {
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      "url": "https://support.citrix.com/article/CTX200217"
    },
    {
      "type": "WEB",
      "url": "https://support.citrix.com/article/CTX200223"
    },
    {
      "type": "WEB",
      "url": "https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-c04497075"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-c04518183"
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    {
      "type": "WEB",
      "url": "https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=\u0026solutionid=sk102673\u0026src=securityAlerts"
    },
    {
      "type": "WEB",
      "url": "https://www.suse.com/support/shellshock"
    },
    {
      "type": "WEB",
      "url": "http://jvn.jp/en/jp/JVN55667175/index.html"
    },
    {
      "type": "WEB",
      "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126"
    },
    {
      "type": "WEB",
      "url": "http://lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patch-now.html"
    },
    {
      "type": "WEB",
      "url": "http://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html"
    },
    {
      "type": "WEB",
      "url": "http://linux.oracle.com/errata/ELSA-2014-3093"
    },
    {
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      "url": "http://linux.oracle.com/errata/ELSA-2014-3094"
    },
    {
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      "url": "http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html"
    },
    {
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      "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html"
    },
    {
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00004.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html"
    },
    {
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      "url": "http://marc.info/?l=bugtraq\u0026m=141330468527613\u0026w=2"
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    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/128567/CA-Technologies-GNU-Bash-Shellshock.html"
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    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/58200"
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    {
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    {
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    {
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    {
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    {
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  "schema_version": "1.4.0",
  "severity": []
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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