ed0e1e4d44
1979 changes to exploits/shellcodes Couchdb 1.5.0 - 'uuids' Denial of Service Apache CouchDB 1.5.0 - 'uuids' Denial of Service Beyond Remote 2.2.5.3 - Denial of Service (PoC) udisks2 2.8.0 - Denial of Service (PoC) Termite 3.4 - Denial of Service (PoC) SoftX FTP Client 3.3 - Denial of Service (PoC) Silverstripe 2.3.5 - Cross-Site Request Forgery / Open redirection SilverStripe CMS 2.3.5 - Cross-Site Request Forgery / Open Redirection Silverstripe CMS 3.0.2 - Multiple Vulnerabilities SilverStripe CMS 3.0.2 - Multiple Vulnerabilities Silverstripe CMS 2.4 - File Renaming Security Bypass SilverStripe CMS 2.4 - File Renaming Security Bypass Silverstripe CMS 2.4.5 - Multiple Cross-Site Scripting Vulnerabilities SilverStripe CMS 2.4.5 - Multiple Cross-Site Scripting Vulnerabilities Silverstripe CMS 2.4.7 - 'install.php' PHP Code Injection SilverStripe CMS 2.4.7 - 'install.php' PHP Code Injection Silverstripe Pixlr Image Editor - 'upload.php' Arbitrary File Upload SilverStripe CMS Pixlr Image Editor - 'upload.php' Arbitrary File Upload Silverstripe CMS 2.4.x - 'BackURL' Open Redirection SilverStripe CMS 2.4.x - 'BackURL' Open Redirection Silverstripe CMS - 'MemberLoginForm.php' Information Disclosure SilverStripe CMS - 'MemberLoginForm.php' Information Disclosure Silverstripe CMS - Multiple HTML Injection Vulnerabilities SilverStripe CMS - Multiple HTML Injection Vulnerabilities Apache CouchDB 1.7.0 and 2.x before 2.1.1 - Remote Privilege Escalation Apache CouchDB 1.7.0 / 2.x < 2.1.1 - Remote Privilege Escalation Monstra CMS before 3.0.4 - Cross-Site Scripting Monstra CMS < 3.0.4 - Cross-Site Scripting (2) Monstra CMS < 3.0.4 - Cross-Site Scripting Monstra CMS < 3.0.4 - Cross-Site Scripting (1) Navigate CMS 2.8 - Cross-Site Scripting Collectric CMU 1.0 - 'lang' SQL injection Joomla! Component CW Article Attachments 1.0.6 - 'id' SQL Injection LG SuperSign EZ CMS 2.5 - Remote Code Execution MyBB Visual Editor 1.8.18 - Cross-Site Scripting Joomla! Component AMGallery 1.2.3 - 'filter_category_id' SQL Injection Joomla! Component Micro Deal Factory 2.4.0 - 'id' SQL Injection RICOH Aficio MP 301 Printer - Cross-Site Scripting Joomla! Component Auction Factory 4.5.5 - 'filter_order' SQL Injection RICOH MP C6003 Printer - Cross-Site Scripting Linux/ARM - Egghunter (PWN!) + execve(_/bin/sh__ NULL_ NULL) Shellcode (28 Bytes) Linux/ARM - sigaction() Based Egghunter (PWN!) + execve(_/bin/sh__ NULL_ NULL) Shellcode (52 Bytes)
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1.9 KiB
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38 lines
No EOL
1.9 KiB
Text
Source: https://code.google.com/p/google-security-research/issues/detail?id=493
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The Samsung m2m1shot driver framework is used to provide hardware acceleration for certain media functions, such as JPEG decoding and scaling images. The driver endpoint (/dev/m2m1shot_jpeg) is accessible by the media server
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The Samsung S6 Edge is a 64-bit device, so a compatibility layer is used to allow 32-bit processes to provide structures that are expected by the 64-bit driver. There is a stack buffer overflow in the compat ioctl for m2m1shot:
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static long m2m1shot_compat_ioctl32(struct file *filp,
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unsigned int cmd, unsigned long arg)
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{
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...
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switch (cmd) {
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case COMPAT_M2M1SHOT_IOC_PROCESS:
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{
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struct compat_m2m1shot data;
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struct m2m1shot_task task;
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int i, ret;
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memset(&task, 0, sizeof(task));
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if (copy_from_user(&data, compat_ptr(arg), sizeof(data))) {
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dev_err(m21dev->dev,
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"%s: Failed to read userdata\n", __func__);
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return -EFAULT;
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}
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...
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for (i = 0; i < data.buf_out.num_planes; i++) {
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task.task.buf_out.plane[i].len =
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data.buf_out.plane[i].len;
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...
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}
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In this code snippet, the data.buf_out.num_planes value is attacker-controlled "u8" value, and is not bounds checked. However, task.task.buf_out.plane array is fixed in size (three elements), so a buffer overflow can occur during the loop shown above.
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Proof-of-concept code to trigger this issue (from a privileged shell) is attached (m2m1shot_compat.c).
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Proof of Concept:
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https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/38555.zip |