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Notes on Windows Uniscribe Fuzzing

🗓️ 10 Apr 2017 00:00:00Reported by GoogleProjectZeroType 
googleprojectzero
 googleprojectzero🔗 googleprojectzero.blogspot.com👁 41 Views

Notes on Windows Uniscribe Fuzzing. 29 font-handling vulnerabilities identified, Uniscribe library targeted, unexpected user-mode crashes discovered, extensive font-parsing, security implications

Related
ReporterTitlePublishedViews
Family
0day.today		Microsoft Windows - LoadUvsTable() Heap-based Buffer Overflow Vulnerability
16 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Multiple Heap-Based Out-of-Bounds and Wild Reads (MS17
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Buffer Overflow in USP10!FillAlternatesList (MS17-011)
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Memory Corruption Around USP10!BuildFSM (MS
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Out-of-Bounds Write in USP10!UpdateGlyphFla
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Buffer Overflow in USP10!ttoGetTableData (M
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Memory Corruption in USP10!MergeLigRecords
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Memory Corruption in USP10!otlCacheManager:
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - Uniscribe Font Processing Heap-Based Out-of-Bounds Read/Write in USP10!AssignGly
20 Mar 201700:00
–zdt
0day.today		Microsoft Windows - USP10!otlList::insertAt Uniscribe Font Processing Heap-Based Buffer Overflow (MS
20 Mar 201700:00
–zdt
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10 Apr 2017 00:00Current
7.9High risk
Vulners AI Score7.9
CVSS 38.8
CVSS 29.3
EPSS0.57338
uniscribe libraryfont-handling vulnerabilitiesuser-mode crashesfont parsingsecurity implicationstruetype/opentype structureswindows 2000advanced typography tables
41