Bug 1162459 - (CVE-2019-14878) VUL-1: CVE-2019-14878: newlib: __d2b null pointer dereference bug
(CVE-2019-14878)
VUL-1: CVE-2019-14878: newlib: __d2b null pointer dereference bug
Status: NEW
Classification: openSUSE
Product: openSUSE Distribution
Classification: openSUSE
Component: Basesystem
Leap 15.1
Other Other
: P4 - Low : Minor (vote)
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Assigned To: Richard Biener
Security Team bot
https://smash.suse.de/issue/252248/
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Reported: 2020-02-03 07:37 UTC by Alexander Bergmann
Modified: 2020-02-03 08:00 UTC (History)
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Found By: Security Response Team
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Description Alexander Bergmann 2020-02-03 07:37:43 UTC
https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/

__d2b null pointer dereference bug (CVE-2019-14878)

In the __d2b function of the newlib libc library (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not:


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