SunOS sendmail 5.59 through 5.65 uses popen to process a forwarding host argument, which allows local users to gain root privileges by modifying the IFS (Internal Field Separator) variable and passing crafted values to the -oR option.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sendmail | Sendmail | 5.59 (including) | 5.59 (including) |
| Sendmail | Sendmail | 5.61 (including) | 5.61 (including) |
| Sendmail | Sendmail | 5.65 (including) | 5.65 (including) |
References
- http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html
- http://www.auscert.org.au/render.html?it=1853\u0026cid=1978
- http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul
- http://www.kb.cert.org/vuls/id/3278
- http://www.securityfocus.com/bid/7829
- http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html
- http://www.auscert.org.au/render.html?it=1853\u0026cid=1978
- http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul
- http://www.kb.cert.org/vuls/id/3278
- http://www.securityfocus.com/bid/7829