---
id: CVE-1999-1123
title: >-
  The installation of Sun Source (sunsrc) tapes allows local users to gain root
  privileges via setuid root programs (1) makeinstall or (2) winstall.
summary: >-
  The installation of Sun Source (sunsrc) tapes allows local users to gain root
  privileges via setuid root programs (1) makeinstall or (2) winstall.
severity: high
cvss: 7.2
cvssVector: 'AV:L/AC:L/Au:N/C:C/I:C/A:C'
published: '1991-05-20'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-1123'
references:
  - url: >-
      http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/107&type=0&nav=sec.sba
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-1991-07.html'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/21'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/22'
    label: cve@mitre.org
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/582'
    label: cve@mitre.org
  - url: >-
      http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/107&type=0&nav=sec.sba
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.cert.org/advisories/CA-1991-07.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/21'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/22'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/582'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.01126
epssPercentile: 0.64846
ingestedAt: '2026-06-19T03:39:00.685Z'
exploitAvailable: true
exploits:
  exploitdb: true
  checkedAt: '2026-09-25T08:20:34.851Z'
---

## Overview

The installation of Sun Source (sunsrc) tapes allows local users to gain root privileges via setuid root programs (1) makeinstall or (2) winstall.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
