Out-of-bounds Read Affecting nanopb package, versions [,0.2.9.4) [0.3.9,0.3.9.5) [0.4.0,0.4.1)
Threat Intelligence
EPSS
0.26% (66th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-NANOPB-546354
- published 4 Feb 2020
- disclosed 3 Feb 2020
- credit Unknown
Introduced: 3 Feb 2020
CVE-2020-5235 Open this link in a new tabHow to fix?
Upgrade nanopb to version 0.2.9.4, 0.3.9.5, 0.4.1 or higher.
Overview
nanopb is a python binding for C package nanopb.
Affected versions of this package are vulnerable to Out-of-bounds Read. It might call free() on a pointer value that comes from uninitialized memory, with the following conditions:
- It is compiled with
PB_ENABLE_MALLOC - the message to be decoded contains a repeated string, bytes or message field
realloc()runs out of memory when expanding the array
Depending on platform this can result in a crash or further memory corruption, which may be exploitable in some cases.
References
CVSS Scores
version 3.1