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

published 1991-05-20 35 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1104

cvss: 7.2; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 2; Exploit-DB

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

Patch / fix

links 2

Timeline

1991-05-20 Published
1999-11-12 First public exploit (EDB-19043)

Exploit prediction

1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-19043 SunOS 4.1.1 - '/usr/release/bin/winstall' Local Privilege Escalation local, 1999-11-12
EDB-19042 SunOS 4.1.1 - '/usr/release/bin/makeinstall' Local Privilege Escalation local, 1999-11-23

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

References

sunsolve.sun.com /pub-cgi/retrieve.pl?doctype=coll&doc=secbull/107&type=0&nav=sec.sba
vendor-advisory, patch
cert.org /advisories/CA-1991-07.html
third-party-advisory, patch, us-government-resource
securityfocus.com /bid/21
vdb-entry
exchange.xforce.ibmcloud.com /vulnerabilities/582
vdb-entry
securityfocus.com /bid/22
vdb-entry

Sources

CVE List CVE-1999-1123
NVD CVE-1999-1123

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary