Bug ID 1162452
Summary VUL-1: CVE-2019-14871: newlib: _REENT_CHECK macro null pointer dereference bug
Classification openSUSE
Product openSUSE Distribution
Version Leap 15.1
Hardware Other
URL https://smash.suse.de/issue/252253/
OS Other
Status NEW
Severity Minor
Priority P5 - None
Component Basesystem
Assignee rguenther@suse.com
Reporter abergmann@suse.com
QA Contact security-team@suse.de
Found By Security Response Team
Blocker ---

https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/

_REENT_CHECK macro null pointer dereference bug (CVE-2019-14871)

The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by
REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros, does
not check for memory allocation problems when the DEBUG flag is unset (as is
the case in production firmware builds).


References:
https://seclists.org/oss-sec/2020/q1/51


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