Bug 2016448 (CVE-2021-42782) - CVE-2021-42782 opensc: Stack buffer overflow issues in various places
Summary: CVE-2021-42782 opensc: Stack buffer overflow issues in various places
Keywords:
Status: NEW
Alias: CVE-2021-42782
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: 2018908 2022290
Blocks: 2001773 2016521 2235483
TreeView+ depends on / blocked
 
Reported: 2021-10-21 14:34 UTC by Pedro Sampaio
Modified: 2023-09-18 15:04 UTC (History)
4 users (show)

Fixed In Version: opensc 0.22.0
Doc Type: If docs needed, set a value
Doc Text:
A stack buffer overflow issue was found in the OpenSC package. This flaw can potentially crash programs using the library.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Pedro Sampaio 2021-10-21 14:34:31 UTC 
Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.

Upstream commits:

https://github.com/OpenSC/OpenSC/commit/78cdab94
https://github.com/OpenSC/OpenSC/commit/7114fb71
https://github.com/OpenSC/OpenSC/commit/1252aca9
https://github.com/OpenSC/OpenSC/commit/ae1cf0be
https://github.com/OpenSC/OpenSC/commit/456ac566

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35766
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36200
Comment 1 msiddiqu 2021-11-01 08:47:03 UTC 
Created opensc tracking bugs for this issue:

Affects: fedora-33 [bug 2018908]
Comment 4 Chess Hazlett 2023-09-01 20:10:32 UTC 
*** Bug 2235485 has been marked as a duplicate of this bug. ***
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