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4.6

SCO OpenServer sendmail can let local user gain root

CVE-2001-0588 · published 25 years ago
Summary

The sendmail program included in SCO OpenServer 5.0.6 can overflow a memory buffer when processing a command argument. A user who already has access to the system could exploit this to increase their privileges, potentially obtaining full admin rights. Apply the vendor’s security patch or upgrade to a newer version of OpenServer that includes the fixed sendmail.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
sco openserver 5.0.6
cpe:2.3:o:sco:openserver:5.0.6:*:*:*:*:*:*:*
Original advisory text
sendmail 8.9.3, as included with the MMDF 2.43.3b package in SCO OpenServer 5.0.6, can allow a local attacker to gain additional privileges via a buffer overflow in the first argument to the command.
sendmail 8.9.3, as included with the MMDF 2.43.3b package in SCO OpenServer 5.0.6, can allow a local attacker to gain additional privileges via a buffer overflow in the first argument to the command.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.6 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published22 Aug 2001
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2001-0588 · NVD
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