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heap access from blocking section in unix_readlink #7299

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vicuna opened this Issue Jul 21, 2016 · 2 comments

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@diml diml

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bug platform-support
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  4.04.0
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vicuna commented Jul 21, 2016

Original bug ID: 7299
Reporter: @damiendoligez
Assigned to: @diml
Status: closed (set by @xavierleroy on 2017-09-24T15:33:21Z)
Resolution: fixed
Priority: normal
Severity: minor
Version: 4.04.0 +dev / +beta1 / +beta2
Target version: 4.04.0 +dev / +beta1 / +beta2
Fixed in version: 4.04.0 +dev / +beta1 / +beta2
Category: platform support (windows, cross-compilation, etc)
Monitored by: @dra27

Bug description

In otherlibs/win32unix/readlink.c, function unix_readlink, the value of opath is accessed from the blocking section. It should first be copied outside the heap.

See #462 (comment)
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vicuna commented Jul 29, 2016

Comment author: @dra27

#726
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vicuna commented Aug 18, 2016

Comment author: @diml

Fixed by commit 55222ad

@vicuna vicuna closed this Sep 24, 2017

@vicuna vicuna added the platform-support label Mar 14, 2019

@vicuna vicuna added this to the 4.04.0 milestone Mar 14, 2019

@vicuna vicuna assigned diml Mar 14, 2019

@vicuna vicuna added the bug label Mar 20, 2019

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