Caldera OpenServer recon buffer overflow
| sco-openserver-recon-bo (6289) |  High Risk |
Description:
SCO OpenServer is vulnerable to a buffer overflow in the recon program. By default, recon is installed suid root. By using command line arguments and sending recon a string containing 1315 characters or more, an attacker can overflow a buffer and execute arbitrary code on the system with root privileges.
Platforms Affected:
- SCO, SCO OpenServer 5.0.6
Remedy:
Apply the appropriate patch for your system, as listed in SCO System Security Enhancement (SSE) SSE072B 11-Apr-2001. See References.
As a workaround, chmod -s /opt/K/SCO/Unix/5.0.6Ga/usr/bin/recon.
Consequences:
Gain Access
References:
- SCO System Security Enhancement (SSE) SSE072C 30-Aug-2001, SSE072C at ftp://ftp.sco.com/pub/SSE/sse072c/.
- Strategic Reconnaissance Team Security Advisory SRT2001-02, SCO 5.0.6 issues (recon) at http://marc.theaimsgroup.com/?l=bugtraq&m=98575462712005&w=2.
- CVE-2001-0577: recon in SCO OpenServer 5.0 through 5.0.6 can allow a local attacker to gain additional privileges via a buffer overflow attack in the first command line argument.
Reported:
Mar 27, 2001
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