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memory corruption in flirt signature loading #11274
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zignatures
Native radare2 signatures file format handing
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can you build with asan and share the crashlog?
… On 27 Aug 2018, at 13:44, Ahmed Abd El Mawgood ***@***.***> wrote:
memory corruption in flirt signature loading
Work environment
Questions Answers
OS/arch/bits (mandatory) gentoo x64
File format of the file you reverse (mandatory) N/A.
Architecture/bits of the file (mandatory) N/A.
r2 -v full output, not truncated (mandatory) radare2 2.9.0-git 19237 @ linux-x86-64 git.2.8.0-226-ge2df259a8 commit: e2df259 <e2df259> build: 2018-08-27__12:31:45
Expected behavior
Flirt database loading
Actual behavior
memory corruption
Steps to reproduce the behavior
➜ r2 -N -
[0x00000000]> zfs ./libsslMT_13_msvc_x86.sig
malloc(): memory corruption
[1] 32074 abort r2 -N -
➜
Additional Logs, screenshots, source-code, configuration dump, ...
libsslMT_13_msvc_x86.sig.zip <https://github.com/radare/radare2/files/2323699/libsslMT_13_msvc_x86.sig.zip>
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@oddcoder is this a valid flirt database or a handmade one? |
it is real flirt database pulled from here https://github.com/Maktm/FLIRTDB/tree/master/openssl/windows |
CVE-2018-15834 has been assigned for this issue. |
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memory corruption in flirt signature loading
Work environment
Expected behavior
Flirt database loading
Actual behavior
memory corruption
Steps to reproduce the behavior
Additional Logs, screenshots, source-code, configuration dump, ...
libsslMT_13_msvc_x86.sig.zip
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