Vulnerability-Lookup

CVE-2014-7817 (GCVE-0-2014-7817)

Vulnerability from cvelistv5 – Published: 2014-11-24 15:00 – Updated: 2024-08-06 13:03

Summary

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".

Severity

No CVSS data available.

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1131 records in the last 180 days details

References

17 references

URL	Tags
http://seclists.org/oss-sec/2014/q4/730	mailing-listx_refsource_MLIST
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
http://linux.oracle.com/errata/ELSA-2015-0016.html	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2432-1	vendor-advisoryx_refsource_UBUNTU
https://sourceware.org/ml/libc-alpha/2014-11/msg0…	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2014-2023.html	vendor-advisoryx_refsource_REDHAT
https://sourceware.org/git/gitweb.cgi?p=glibc.git…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2015-0…	vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201602-02	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/71216	vdb-entryx_refsource_BID
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
http://secunia.com/advisories/62100	third-party-advisoryx_refsource_SECUNIA
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
http://secunia.com/advisories/62146	third-party-advisoryx_refsource_SECUNIA
https://sourceware.org/bugzilla/show_bug.cgi?id=17625	x_refsource_CONFIRM
http://linux.oracle.com/errata/ELSA-2015-0092.html	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3142	vendor-advisoryx_refsource_DEBIAN

Date Public

2014-11-19 00:00

Show details on NVD website

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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-11-05T04:02:44+00:00",
      "cve": "CVE-2014-7817",
      "id": "CVE-2014-7817",
      "initial_release_date": "2014-11-20T00:00:00+00:00",
      "product_status:fixed": "236",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: command execution in wordexp() with WRDE_NOCMD specified",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-7817.json",
      "version": "3"
    }
  }
}

RHSA-2014:2023

Vulnerability from csaf_redhat - Published: 2014-12-18 20:31 - Updated: 2026-11-07 05:08

Summary

Red Hat Security Advisory: glibc security and bug fix update

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2014-7817.

CVE-2014-7817

It was found that the wordexp() function would perform command substitution even when the WRDE_NOCMD flag was specified. An attacker able to provide specially crafted input to an application using the wordexp() function, and not sanitizing the input correctly, could potentially use this flaw to execute arbitrary commands with the credentials of the user running that application.

3.6 ()


                
                  AV:L/AC:L/Au:N/C:P/I:P/A:N

Fixed: 112 products

https://access.redhat.com/errata/RHSA-2014:2023

Open the full advisory

RHSA-2015:0016

Vulnerability from csaf_redhat - Published: 2015-01-07 17:17 - Updated: 2026-11-07 05:09

Summary

Red Hat Security Advisory: glibc security and bug fix update

Severity

Moderate

Scope

2 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

3.6 ()


                
                  AV:L/AC:L/Au:N/C:P/I:P/A:N

Fixed: 124 products

https://access.redhat.com/errata/RHSA-2015:0016

Open the full advisory

SUSE-RU-2015:0794-1

Vulnerability from csaf_suse - Published: 2014-08-29 01:15 - Updated: 2026-11-01 10:25

Summary

Security update for glibc

Severity

Moderate

Scope

18 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

Recommended: 73 products

Open the full advisory

SUSE-SU-2015:0253-1

Vulnerability from csaf_suse - Published: 2014-08-29 01:15 - Updated: 2026-11-01 10:26

Summary

Security update for glibc

Severity

Moderate

Scope

18 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

Recommended: 73 products

Open the full advisory

SUSE-SU-2015:0439-1

Vulnerability from csaf_suse - Published: 2014-08-29 01:15 - Updated: 2026-11-01 10:26

Summary

Security update for glibc

Severity

Moderate

Scope

18 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

Recommended: 73 products

Open the full advisory

SUSE-SU-2015:0526-1

Vulnerability from csaf_suse - Published: 2015-03-06 15:57 - Updated: 2026-09-20 12:01

Summary

Security update for glibc

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

Recommended: 43 products

Open the full advisory

SUSE-SU-2015:0551-1

Vulnerability from csaf_suse - Published: 2013-09-13 15:23 - Updated: 2026-09-20 12:01

Summary

Security update for glibc

Severity

Moderate

Scope

20 vulnerabilities in this advisory, including CVE-2014-7817.

CVE-2014-7817

Recommended: 428 products

Open the full advisory

UBUNTU-CVE-2014-7817 (CVE-2014-7817)

Vulnerability from osv_ubuntu – Published: 2014-11-24 00:00 – Updated: 2026-04-22 07:37 – Source website

Details

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2014-7817	REPORT
	https://sourceware.org/ml/libc-alpha/2014-11/msg0…	REPORT
	https://ubuntu.com/security/notices/USN-2432-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2014-7817	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "eglibc-source",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-dev-ppc64",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-ppc64",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-prof",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "multiarch-support",
            "binary_version": "2.19-0ubuntu6.4"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.19-0ubuntu6.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "eglibc",
        "purl": "pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.4?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.19-0ubuntu6.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.17-93ubuntu4",
        "2.18-0ubuntu1",
        "2.18-0ubuntu2",
        "2.18-0ubuntu4",
        "2.18-0ubuntu5",
        "2.18-0ubuntu6",
        "2.18-0ubuntu7",
        "2.19-0ubuntu2",
        "2.19-0ubuntu3",
        "2.19-0ubuntu4",
        "2.19-0ubuntu5",
        "2.19-0ubuntu6",
        "2.19-0ubuntu6.1",
        "2.19-0ubuntu6.3"
      ]
    }
  ],
  "aliases": [],
  "details": "The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing \"$((`...`))\".",
  "id": "UBUNTU-CVE-2014-7817",
  "modified": "2026-04-22T07:37:43Z",
  "published": "2014-11-24T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-7817"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/ml/libc-alpha/2014-11/msg00519.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2432-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2014-7817"
    }
  ],
  "related": [
    "USN-2432-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2014-7817"
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

Action not permitted

CVE-2014-7817 (GCVE-0-2014-7817)

RHSA-2014:2023

RHSA-2015:0016

SUSE-RU-2015:0794-1

SUSE-SU-2015:0253-1

SUSE-SU-2015:0439-1

SUSE-SU-2015:0526-1

SUSE-SU-2015:0551-1

UBUNTU-CVE-2014-7817 (CVE-2014-7817)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour