CVE-2015-1171

GSM SIM Utility <6.6 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2015-1171. PoCs published by Osanda Malith Jayathissa, Ruben Alejandro, including Metasploit module exploits/windows/fileformat/gsm_sim.

AI-analyzed exploit summary This exploit leverages a stack-based buffer overflow in Sim Editor v6.6 to execute arbitrary shellcode. It provides two payload options (MS Paint and Bind Shell) and generates a malicious .sms file to trigger the vulnerability.

Description

Stack-based buffer overflow in GSM SIM Utility (aka SIM Card Editor) 6.6 allows remote attackers to execute arbitrary code via a long entry in a .sms file.

Exploits (2)

exploitdb WORKING POC
by Osanda Malith Jayathissa · textlocalwindows
https://www.exploit-db.com/exploits/35821

This exploit leverages a stack-based buffer overflow in Sim Editor v6.6 to execute arbitrary shellcode. It provides two payload options (MS Paint and Bind Shell) and generates a malicious .sms file to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Sim Editor v6.6
No auth needed
Prerequisites: Victim must open the malicious .sms file in Sim Editor v6.6
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by Ruben Alejandro · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/gsm_sim.rb

This Metasploit module exploits a stack-based buffer overflow in GSM SIM Editor 5.15 by crafting a malicious .sms file. It leverages a known vulnerability (CVE-2015-1171) to execute arbitrary code via a specially formatted payload.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: GSM SIM Editor 5.15
No auth needed
Prerequisites: Victim must open the malicious .sms file in GSM SIM Editor 5.15
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

EPSS 0.6266
EPSS Percentile 99.1%

Details

CWE
CWE-119
Status published
Products (1)
gsm/sim_card_editor 6.6
Published Aug 28, 2015
Tracked Since Feb 18, 2026