CVE-2011-1563: Buffer Overflow
First published: Tue Apr 05 2011(Updated: )
Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified "On_FC_BINFILE_FCS_*FILE", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| RealFlex RealWin | =1.06 | |
| RealFlex RealWin | <=2.1 | |
| RealFlex RealWin | =2.0 |
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Reference Links
- http://secunia.com/advisories/43848
- http://aluigi.org/adv/realwin_3-adv.txt
- http://aluigi.org/adv/realwin_2-adv.txt
- http://aluigi.org/adv/realwin_5-adv.txt
- http://aluigi.org/adv/realwin_4-adv.txt
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
- http://aluigi.org/adv/realwin_7-adv.txt
- http://www.vupen.com/english/advisories/2011/0742
- http://www.exploit-db.com/exploits/17025
- http://aluigi.org/adv/realwin_8-adv.txt
- http://www.securityfocus.com/bid/46937
- http://securityreason.com/securityalert/8176
Frequently Asked Questions
What is the severity of CVE-2011-1563?
CVE-2011-1563 is classified as a high severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2011-1563?
To fix CVE-2011-1563, upgrade to the latest version of RealFlex RealWin that addresses these buffer overflow vulnerabilities.
Which versions are affected by CVE-2011-1563?
CVE-2011-1563 affects RealFlex RealWin versions up to and including 2.1 and specific builds like 1.06.
What type of attack is associated with CVE-2011-1563?
CVE-2011-1563 allows remote attackers to exploit the vulnerability through crafted packets that trigger stack-based buffer overflows.
Is CVE-2011-1563 a local or remote vulnerability?
CVE-2011-1563 is a remote vulnerability, meaning it can be exploited over a network.
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- version/realflex realwin/2.0