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Fencer Vulns
high 7.2

CVE-1999-1158 json

Buffer overflow in (1) pluggable authentication module (PAM) on Solaris 2.5.1 and 2.5 and (2) unix_scheme in Solaris 2.4 and 2.3 allows loc…

published 1997-05-13 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1139

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
2
Exploit-DB

Summary

Buffer overflow in (1) pluggable authentication module (PAM) on Solaris 2.5.1 and 2.5 and (2) unix_scheme in Solaris 2.4 and 2.3 allows local users to gain root privileges via programs that use these modules such as passwd, yppasswd, and nispasswd.

Patch / fix

Timeline

  1. First public exploit (EDB-19158)
  2. Published

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19158 Sun Solaris 2.5.1 PAM / unix_scheme - 'passwd' Local Privilege Escalation local, 1997-02-25
  • EDB-341 Solaris 2.4 passwd / yppasswd / nispasswd - Local Overflow local, 1997-07-12

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

Sources

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.