CVE-2016-9401 (GCVE-0-2016-9401)

Vulnerability from cvelistv5 – Published: 2017-01-23 21:00 – Updated: 2025-08-06 21:12
VLAI
Summary
popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-06 21:11 UTC
CWE
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2017-0725.html vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:1931 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2016/11/17/5 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/11/17/9 mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/94398 vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201701-02 vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
Date Public
2016-11-17 00:00
Show details on NVD website

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                  "url": "https://security.gentoo.org/glsa/201701-02"
                },
                {
                  "name": "[debian-lts-announce] 20190325 [SECURITY] [DLA 1726-1] bash security update",
                  "refsource": "MLIST",
                  "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html"
                }
              ]
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2016-9401",
        "datePublished": "2017-01-23T21:00:00.000Z",
        "dateReserved": "2016-11-17T00:00:00.000Z",
        "dateUpdated": "2025-08-06T21:12:45.629Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.


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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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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.


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