This update for opensc fixes the following issues :

&#9; - CVE-2019-15945: Fixed an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string (bsc#1149746).

  - CVE-2019-15946: Fixed an out-of-bounds access of an     ASN.1 Octet string in asn1_decode_entry (bsc#1149747)

  - CVE-2019-19479: Fixed an incorrect read operation during     parsing of a SETCOS file attribute (bsc#1158256)

  - CVE-2019-19480: Fixed an improper free operation in     sc_pkcs15_decode_prkdf_entry (bsc#1158307).

  - CVE-2019-20792: Fixed a double free in     coolkey_free_private_data (bsc#1170809). 

  - CVE-2020-26570: Fixed a buffer overflow in     sc_oberthur_read_file (bsc#1177364).

  - CVE-2020-26571: Fixed a stack-based buffer overflow in     gemsafe GPK smart card software driver (bsc#1177380)

  - CVE-2020-26572: Fixed a stack-based buffer overflow in     tcos_decipher (bsc#1177378).

This update was imported from the SUSE:SLE-15-SP1:Update update project.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0089 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2020-26570:
    The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in     sc_oberthur_read_file.

    CVE-2020-26571:
    The gemsafe GPK smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow     in sc_pkcs15emu_gemsafeGPK_init.

    CVE-2020-26572:
    The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in     tcos_decipher.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:1600 advisory.

    The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on     cards that support cryptographic operations and enables their use for authentication, mail encryption, or     digital signatures.

    Security Fix(es):

    * opensc: heap-based buffer overflow in sc_oberthur_read_file (CVE-2020-26570)

    * opensc: stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init (CVE-2020-26571)

    * opensc: stack-based buffer overflow in tcos_decipher (CVE-2020-26572)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:1600 advisory.

  - opensc: heap-based buffer overflow in sc_oberthur_read_file (CVE-2020-26570)

  - opensc: stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init (CVE-2020-26571)

  - opensc: stack-based buffer overflow in tcos_decipher (CVE-2020-26572)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1041-1 advisory.

    Security issues fixed:

    - CVE-2021-42780: Fixed use after return in insert_pin() (bsc#1192005).
    - CVE-2021-42779: Fixed use after free in sc_file_valid() (bsc#1191992).
    - CVE-2021-42781: Fixed multiple heap buffer overflows in pkcs15-oberthur.c (bsc#1192000).
    - CVE-2021-42782: Stack buffer overflow issues in various places (bsc#1191957).
    - CVE-2019-6502: Fixed a memory leak in sc_context_create() (bsc#1122756).
    - CVE-2020-26570: Fixed a heap based buffer overflow in sc_oberthur_read_file (bsc#1177364).
    - CVE-2020-26572: Prevent out of bounds write (bsc#1177378)
    - CVE-2020-26571: gemsafe GPK smart card software driver stack-based buffer overflow (bsc#1177380)
    - CVE-2019-15946: out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry (bsc#1149747)
    - CVE-2019-19479: incorrect read operation during parsing of a SETCOS file attribute (bsc#1158256)
    - CVE-2019-15945: Fixed an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string (bsc#1149746).
    - CVE-2019-19481: Fixed an improper handling of buffer limits for CAC certificates (bsc#1158305).
    - CVE-2019-20792: Fixed a double free in coolkey_free_private_data (bsc#1170809).

    Non-security issues fixed:

    - Fixes segmentation fault in 'pkcs11-tool.c'. (bsc#1114649)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the opensc package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - The Oberthur smart card software driver in OpenSC     before 0.21.0-rc1 has a heap-based buffer overflow in     sc_oberthur_read_file.(CVE-2020-26570)

  - The gemsafe GPK smart card software driver in OpenSC     before 0.21.0-rc1 has a stack-based buffer overflow in     sc_pkcs15emu_gemsafeGPK_init.(CVE-2020-26571)

  - The TCOS smart card software driver in OpenSC before     0.21.0-rc1 has a stack-based buffer overflow in     tcos_decipher.(CVE-2020-26572)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for opensc fixes the following issues :

CVE-2019-15945: Fixed an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string (bsc#1149746).

CVE-2019-15946: Fixed an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry (bsc#1149747)

CVE-2019-19479: Fixed an incorrect read operation during parsing of a SETCOS file attribute (bsc#1158256)

CVE-2019-19480: Fixed an improper free operation in sc_pkcs15_decode_prkdf_entry (bsc#1158307).

CVE-2019-20792: Fixed a double free in coolkey_free_private_data (bsc#1170809).

CVE-2020-26570: Fixed a buffer overflow in sc_oberthur_read_file (bsc#1177364).

CVE-2020-26571: Fixed a stack-based buffer overflow in gemsafe GPK smart card software driver (bsc#1177380)

CVE-2020-26572: Fixed a stack-based buffer overflow in tcos_decipher (bsc#1177378).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017712 advisory.

    The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in     sc_oberthur_read_file.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
148763	openSUSE Security Update : opensc (openSUSE-2021-565)	Nessus	SuSE Local Security Checks	4/19/2021	1/3/2024	medium
236520	Alibaba Cloud Linux 3 : 0089: opensc (ALINUX3-SA-2022:0089)	Nessus	Alibaba Cloud Linux Local Security Checks	5/14/2025	5/14/2025	medium
149657	RHEL 8 : opensc (RHSA-2021:1600)	Nessus	Red Hat Local Security Checks	5/19/2021	11/7/2024	medium
149730	CentOS 8 : opensc (CESA-2021:1600)	Nessus	CentOS Local Security Checks	5/19/2021	6/2/2021	medium
159349	SUSE SLES15 Security Update : opensc (SUSE-SU-2022:1041-1)	Nessus	SuSE Local Security Checks	3/30/2022	6/26/2026	medium
145731	EulerOS 2.0 SP8 : opensc (EulerOS-SA-2021-1158)	Nessus	Huawei Local Security Checks	2/1/2021	1/25/2024	medium
148502	SUSE SLED15 / SLES15 Security Update : opensc (SUSE-SU-2021:1168-1)	Nessus	SuSE Local Security Checks	4/14/2021	1/4/2024	medium
313798	Unity Linux 20.1070e Security Update: opensc (UTSA-2026-017712)	Nessus	Unity Linux Local Security Checks	5/11/2026	5/11/2026	medium

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