CVE-2011-1563
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 74.6% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 74.6% in the next 30 days (EPSS).
- Severity: 10.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Exploit probability
- 74.6% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Realflex Realwin ≤ 2.1
- Realflex Realwin 1.06
- Realflex Realwin 2.0
Attack profile CVSS 2.0 · 10.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-1563.md and follow it. Check whether this project is affected by CVE-2011-1563. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://secunia.com/advisories/43848
- http://www.vupen.com/english/advisories/2011/0742
- http://secunia.com/advisories/43848
- http://www.vupen.com/english/advisories/2011/0742
References
- http://aluigi.org/adv/realwin_2-adv.txt
- http://aluigi.org/adv/realwin_3-adv.txt
- http://aluigi.org/adv/realwin_4-adv.txt
- http://aluigi.org/adv/realwin_5-adv.txt
- http://aluigi.org/adv/realwin_7-adv.txt
- http://aluigi.org/adv/realwin_8-adv.txt
- http://secunia.com/advisories/43848
- http://securityreason.com/securityalert/8176
- http://www.exploit-db.com/exploits/17025
- http://www.securityfocus.com/bid/46937
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
- http://www.vupen.com/english/advisories/2011/0742
- http://aluigi.org/adv/realwin_2-adv.txt
- http://aluigi.org/adv/realwin_3-adv.txt
- http://aluigi.org/adv/realwin_4-adv.txt
- http://aluigi.org/adv/realwin_5-adv.txt
- http://aluigi.org/adv/realwin_7-adv.txt
- http://aluigi.org/adv/realwin_8-adv.txt
- http://secunia.com/advisories/43848
- http://securityreason.com/securityalert/8176
- http://www.exploit-db.com/exploits/17025
- http://www.securityfocus.com/bid/46937
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
- http://www.vupen.com/english/advisories/2011/0742