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)
45 lines
No EOL
2.5 KiB
Text
45 lines
No EOL
2.5 KiB
Text
Source: https://bugs.ghostscript.com/show_bug.cgi?id=697500
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POC to trigger null pointer dereference (mutool)
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After some fuzz testing I found a crashing test case.
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Git HEAD: 8eea208e099614487e4bd7cc0d67d91489dae642
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To reproduce: mutool convert -F cbz nullptr_fz_paint_pixmap_with_mask -o /dev/null
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ASAN:
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==1406==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000020 (pc 0x000000849633 bp 0x7ffdb430c750 sp 0x7ffdb430c620 T0)
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==1406==The signal is caused by a READ memory access.
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==1406==Hint: address points to the zero page.
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#0 0x849632 in fz_paint_pixmap_with_mask XYZ/mupdf/source/fitz/draw-paint.c:1948:2
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#1 0x60208c in fz_draw_pop_clip XYZ/mupdf/source/fitz/draw-device.c:1618:4
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#2 0x54e716 in fz_pop_clip XYZ/mupdf/source/fitz/device.c:301:3
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#3 0x8fb76f in pdf_grestore XYZ/mupdf/source/pdf/pdf-op-run.c:338:4
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#4 0x901149 in pdf_run_xobject XYZ/mupdf/source/pdf/pdf-op-run.c:1347:5
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#5 0x8ffa0f in begin_softmask XYZ/mupdf/source/pdf/pdf-op-run.c:148:3
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#6 0x8fac2f in pdf_begin_group XYZ/mupdf/source/pdf/pdf-op-run.c:188:23
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#7 0x8fac2f in pdf_show_shade XYZ/mupdf/source/pdf/pdf-op-run.c:219
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#8 0x8fac2f in pdf_run_sh XYZ/mupdf/source/pdf/pdf-op-run.c:1943
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#9 0x92cc20 in pdf_process_keyword XYZ/mupdf/source/pdf/pdf-interpret.c:770:5
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#10 0x929741 in pdf_process_stream XYZ/mupdf/source/pdf/pdf-interpret.c:953:6
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#11 0x92870f in pdf_process_contents XYZ/mupdf/source/pdf/pdf-interpret.c:1043:3
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#12 0x8e9edc in pdf_run_page_contents_with_usage XYZ/mupdf/source/pdf/pdf-run.c:46:3
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#13 0x8e99c7 in pdf_run_page_contents XYZ/mupdf/source/pdf/pdf-run.c:69:3
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#14 0x553e12 in fz_run_page_contents XYZ/mupdf/source/fitz/document.c:318:4
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#15 0x55423b in fz_run_page XYZ/mupdf/source/fitz/document.c:350:2
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#16 0x4e8021 in runpage XYZ/mupdf/source/tools/muconvert.c:67:2
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#17 0x4e7d85 in runrange XYZ/mupdf/source/tools/muconvert.c:83:5
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#18 0x4e76c7 in muconvert_main XYZ/mupdf/source/tools/muconvert.c:165:4
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#19 0x4e6943 in main XYZ/mupdf/source/tools/mutool.c:112:12
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#20 0x7f6d6818a82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
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#21 0x41a218 in _start (XYZ/mupdf/build/debug/mutool+0x41a218)
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AddressSanitizer can not provide additional info.
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SUMMARY: AddressSanitizer: SEGV XYZ/mupdf/source/fitz/draw-paint.c:1948:2 in fz_paint_pixmap_with_mask
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==1406==ABORTING
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Proof of Concept:
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https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/42138.zip |