// For flags

CVE-2019-19479

opensc: Incorrect read operation during parsing of a SETCOS file attribute

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-setcos.c has an incorrect read operation during parsing of a SETCOS file attribute.

Se detectó un problema en OpenSC versiones hasta 0.19.0 y versiones 0.20.x hasta 0.20.0-rc3. El archivo libopensc/card-setcos.c presenta una operación de lectura incorrecta durante el análisis de un atributo de archivo SETCOS.

An update that fixes 8 vulnerabilities is now available. This update for opensc fixes the following issues. Fixed an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string. Fixed an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry. Fixed an incorrect read operation during parsing of a SETCOS file attribute. Fixed an improper free operation in sc_pkcs15_decode_prkdf_entry. Fixed a double free in coolkey_free_private_data. Fixed a buffer overflow in sc_oberthur_read_file. Fixed a stack-based buffer overflow in gemsafe GPK smart card software driver. Fixed a stack-based buffer overflow in tcos_decipher. This update was imported from the SUSE:SLE-15-SP1:Update update project.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-01 CVE Reserved
  • 2019-12-01 CVE Published
  • 2024-08-05 CVE Updated
  • 2025-04-13 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Opensc Project
Search vendor "Opensc Project"
 Opensc
Search vendor "Opensc Project" for product "Opensc"
 <= 0.19.0
Search vendor "Opensc Project" for product "Opensc" and version " <= 0.19.0"
-
Affected
Opensc Project
Search vendor "Opensc Project"
 Opensc
Search vendor "Opensc Project" for product "Opensc"
 0.20.0
Search vendor "Opensc Project" for product "Opensc" and version "0.20.0"
rc1
Affected
Opensc Project
Search vendor "Opensc Project"
 Opensc
Search vendor "Opensc Project" for product "Opensc"
 0.20.0
Search vendor "Opensc Project" for product "Opensc" and version "0.20.0"
rc2
Affected
Opensc Project
Search vendor "Opensc Project"
 Opensc
Search vendor "Opensc Project" for product "Opensc"
 0.20.0
Search vendor "Opensc Project" for product "Opensc" and version "0.20.0"
rc3
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 31
Search vendor "Fedoraproject" for product "Fedora" and version "31"
-
Affected