{"id":44451,"date":"2025-05-26T01:40:25","date_gmt":"2025-05-26T01:40:25","guid":{"rendered":""},"modified":"2025-09-27T20:49:46","modified_gmt":"2025-09-28T02:49:46","slug":"cve-2023-42137-high-privilege-command-execution-vulnerability-in-pax-android-pos-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-42137-high-privilege-command-execution-vulnerability-in-pax-android-pos-devices\/","title":{"rendered":"CVE-2023-42137: High Privilege Command Execution Vulnerability in PAX Android POS Devices<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

In the realm of cybersecurity, the vulnerability CVE-2023-42137 presents a significant risk to businesses worldwide that rely on PAX Android-based POS devices. This vulnerability could allow an attacker to execute commands with high privileges by using malicious symlinks. This risk is particularly relevant for businesses in the retail and hospitality sectors<\/a> that are heavily dependent on POS systems for everyday transactions. Addressing this vulnerability is crucial, as it potentially opens up opportunities for system<\/a> compromise and data leakage, leading to significant financial and reputational damage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2023-42137
\nSeverity: High (CVSS Score 7.8)
\nAttack Vector: Local
\nPrivileges Required: Shell Access<\/a>
\nUser Interaction: None
\nImpact: Potential system compromise<\/a> and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

PAX Android POS<\/a> Devices | PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 and earlier versions<\/p>\n

How the Exploit Works<\/strong><\/p>\n

This vulnerability exploits a flaw in the PAX Android-based POS devices<\/a> running on PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 or earlier. The flaw allows an attacker with shell access<\/a> to the device to create malicious symlinks, which can then be used to execute commands with high privileges. This could potentially lead<\/a> to a complete system compromise or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

While the specifics of the exploit are not disclosed to protect systems still vulnerable<\/a> to this exploit, a conceptual example might look something like this:<\/p>\n

# Attacker gains shell access to the device\n$ adb shell\n# Navigate to the directory containing the vulnerable symlink\n$ cd \/path\/to\/vulnerable\/symlink\n# Create a malicious symlink\n$ ln -s \/path\/to\/target\/file \/path\/to\/vulnerable\/symlink\n# Execute command with high privileges\n$ .\/vulnerable\/symlink<\/code><\/pre>\n
In this example, the attacker first gains shell access<\/a> to the device. They then navigate to the directory containing the vulnerable<\/a> symlink. By creating a malicious symlink that points to a target file, they can execute a command with high privileges<\/a>.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To protect systems from this vulnerability<\/a>, users are advised to apply the vendor patch as soon as it is available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure. These tools can help detect and block attempts to exploit this vulnerability<\/a>, protecting systems until a permanent solution can be implemented.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In the realm of cybersecurity, the vulnerability CVE-2023-42137 presents a significant risk to businesses worldwide that rely on PAX Android-based POS devices. This vulnerability could allow an attacker to execute commands with high privileges by using malicious symlinks. This risk is particularly relevant for businesses in the retail and hospitality sectors that are heavily […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[91],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-44451","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t