critical9.3Public exploit code
CVE-2009-0641
sys_term.c in telnetd in FreeBSD 7.0-RELEASE and other 7.x versions deletes dangerous environment variables with a method that was valid only in older FreeBSD …
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- FreeBSD 7.0-RELEASE - Telnet Daemon Privilege Escalation2009-02-16 · local · freebsd · Verified
Impact
sys_term.c in telnetd in FreeBSD 7.0-RELEASE and other 7.x versions deletes dangerous environment variables with a method that was valid only in older FreeBSD distributions, which might allow remote attackers to execute arbitrary code by passing a crafted environment variable from a telnet client, as demonstrated by an LD_PRELOAD value that references a malicious library.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freebsd | Freebsd | Versions 7.0, 7.0-release, 7.0_beta4, 7.0_releng, 7.1 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.grok.org.uk/pipermail/full-disclosure/2009-February/067954.html
- http://security.freebsd.org/advisories/FreeBSD-SA-09:05.telnetd.asc
- http://www.securityfocus.com/bid/33777
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48780
- https://www.exploit-db.com/exploits/8055
- http://lists.grok.org.uk/pipermail/full-disclosure/2009-February/067954.html
- http://security.freebsd.org/advisories/FreeBSD-SA-09:05.telnetd.asc
- http://www.securityfocus.com/bid/33777
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48780
- https://www.exploit-db.com/exploits/8055