Bug 2016439 (CVE-2021-42781) - CVE-2021-42781 opensc: Heap buffer overflow in pkcs15-oberthur.c
Summary: CVE-2021-42781 opensc: Heap buffer overflow in pkcs15-oberthur.c
Keywords:
Status: NEW
Alias: CVE-2021-42781
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2018905 2022289
Blocks: 2001773 2016521
TreeView+ depends on / blocked
 
Reported: 2021-10-21 14:07 UTC by Pedro Sampaio
Modified: 2023-07-07 08:35 UTC (History)
3 users (show)

Fixed In Version: opensc 0.22.0
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Description Pedro Sampaio 2021-10-21 14:07:19 UTC 
Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.

Upstream commits:

https://github.com/OpenSC/OpenSC/commit/17d8980c
https://github.com/OpenSC/OpenSC/commit/40c50a3a
https://github.com/OpenSC/OpenSC/commit/05648b06
https://github.com/OpenSC/OpenSC/commit/5d4daf6c
https://github.com/OpenSC/OpenSC/commit/cae5c71f

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32202
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32807
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