Veracode Vulnerability DatabaseVERACODE:27793Double Free
6.8 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
opensc is vulnerable to double free. The vulnerability exists due to lack of uniqueness check in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c.
| CPE | Name | Operator | Version |
|---|---|---|---|
| opensc | eq | 0.19.0__7.el8 | |
| opensc | eq | 0.20.0__1.el8 | |
| opensc | eq | 0.19.0__4.el8 | |
| opensc | eq | 0.19.0__5.el8 | |
| opensc | eq | 0.19.0__7.el8 | |
| opensc | eq | 0.20.0__1.el8 | |
| opensc | eq | 0.19.0__4.el8 | |
| opensc | eq | 0.19.0__5.el8 |
References
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/index
access.redhat.com/errata/RHSA-2020:4483
access.redhat.com/security/updates/classification/#moderate
bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208
github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4
github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0
Related
6.8 Medium
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P