CVE-2019-19481: Buffer Overflow
First published: Sun Dec 01 2019(Updated: )
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensc Project Opensc | =0.19.0 | |
| Opensc Project Opensc | =0.20.0-rc1 | |
| Opensc Project Opensc | =0.20.0-rc2 | |
| Opensc Project Opensc | =0.20.0-rc3 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2019/12/29/1
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618
- https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
Frequently Asked Questions
What is CVE-2019-19481?
CVE-2019-19481 is a vulnerability discovered in OpenSC through versions 0.19.0 and 0.20.x through 0.20.0-rc3. It mishandles buffer limits for CAC certificates in the libopensc/card-cac1.c file.
How severe is CVE-2019-19481?
CVE-2019-19481 has a severity level of 4.6, which is considered medium severity.
Which software versions are affected by CVE-2019-19481?
Versions 0.19.0, 0.20.0-rc1, 0.20.0-rc2, and 0.20.0-rc3 of OpenSC are affected by CVE-2019-19481.
How can I fix CVE-2019-19481?
To fix CVE-2019-19481, users should update to the latest version of OpenSC available.
Where can I find more information about CVE-2019-19481?
More information about CVE-2019-19481 can be found at the following references: [1] [2] [3].
- collector/nvd-index
- vendor/opensc project
- canonical/opensc project opensc
- version/opensc project opensc/0.19.0
- version/opensc project opensc/0.20.0-rc1
- version/opensc project opensc/0.20.0-rc2
- version/opensc project opensc/0.20.0-rc3