CVE-2021-3420 - log back

CVE-2021-3420 edited at 02 Mar 2021 18:03:54
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Local
Type
- Unknown
+ Arbitrary code execution
Description
+ A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
References
+ https://bugzilla.redhat.com/show_bug.cgi?id=1934088
+ https://sourceware.org/git/?p=newlib-cygwin.git;a=commitdiff;h=aa106b29a6a8a1b0df9e334704292cbc32f2d44e
Notes
CVE-2021-3420 created at 02 Mar 2021 18:02:53