[binary] ImageGear JPEG Vulns, NetFilter, and a LibCurl Memory Disclosure

Published: March 3, 2022, 1 a.m.

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/imagegear-jpeg-vulns-netfilter-and-libcurl.html

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Quick episode with four somewhat simple bugs in JPEG parsing, a remote memory disclosure in libcurl due to the difference `sizeof(long)` on Linux vs Windows, and a heap out of bounds write in the Linux Kernel.

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[00:00:16] Spot the Vuln - One of a Kind

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[00:03:14] Accusoft ImageGear JPEG-JFIF Scan header parser out-of-bounds write vulnerability

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[00:07:15] Accusoft ImageGear Palette box parser heap-based buffer overflow vulnerability

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[00:11:55] Remote memory disclosure vulnerability in libcurl on 64 Bit Windows

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[00:19:15] Linux kernel: heap out of bounds write in nf_dup_netdev.c since 5.4

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[00:23:03] Overview of GLIBC heap exploitation techniques

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