Vulnerability Monitor

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CVE-2019-19481

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.

Published

2019-12-01T23:15:10.807

Last Modified

2024-11-21T04:34:48.773

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opensc_project	opensc	0.19.0	Yes
Application	opensc_project	opensc	0.20.0	Yes
Application	opensc_project	opensc	0.20.0	Yes
Application	opensc_project	opensc	0.20.0	Yes

References

http://www.openwall.com/lists/oss-security/2019/12/29/1 Mailing List ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618 Permissions Required, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278 Patch ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/ ([email protected])
http://www.openwall.com/lists/oss-security/2019/12/29/1 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/ (af854a3a-2127-422b-91ae-364da2661108)