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CVE-2018-1071 (GCVE-0-2018-1071)

Vulnerability from cvelistv5 – Published: 2018-03-09 15:00 – Updated: 2024-08-05 03:51
VLAI
Summary
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1553531 x_refsource_CONFIRM
https://usn.ubuntu.com/3608-1/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/103359 vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201805-10 vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:3073 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
zsh zsh Affected: 5.4.2
guessed Create a notification for this product.
Date Public
2018-03-08 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T16:38:03+00:00",
      "cve": "CVE-2018-1071",
      "id": "CVE-2018-1071",
      "initial_release_date": "2018-03-09T00:00:00+00:00",
      "product_status:fixed": "160",
      "product_status:known_affected": "4",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "zsh: Stack-based buffer overflow in exec.c:hashcmd()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1071.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-05T23:51:11Z",
      "cve": "CVE-2018-1071",
      "id": "CVE-2018-1071",
      "initial_release_date": "2023-02-15T04:34:35Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "32",
      "product_status:recommended": "82",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-1071",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-1071.json",
      "version": "39"
    }
  }
}



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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

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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.


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