High severity · published Sep 6, 2019
CVE-2019-16058
An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than 256 bytes, this triggers a buffer overflow. This may be the case for RSA keys with 4096 bits depending on the signature scheme.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensc · Opensc Project
0.2.0; 0.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16058
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16058
www.openwall.com
http://www.openwall.com/lists/oss-security/2019/09/12/1
Patch
https://github.com/OpenSC/pam_p11/commit/d150b60e1e14c261b113f55681419ad1dfa8a76c
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