This update for opensc fixes the following issues :

Security issue fixed :

CVE-2019-6502: Fixed a memory leak in sc_context_create() (bsc#1122756).

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 remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:4196-1 advisory.

  - sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from     eidenv. (CVE-2019-6502)

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.

  - OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in     libopensc/asn1.c. (CVE-2019-15945)

  - OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in     libopensc/asn1.c. (CVE-2019-15946)

  - 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. (CVE-2019-19479)

  - 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. (CVE-2019-19481)

  - OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in     libopensc/card-coolkey.c lacks a uniqueness check. (CVE-2019-20792)

  - sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from     eidenv. (CVE-2019-6502)

  - 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)

  - A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid. (CVE-2021-42779)

  - A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could     potentially crash programs using the library. (CVE-2021-42780)

  - Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could     potentially crash programs using the library. (CVE-2021-42781)

  - Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could     potentially crash programs using the library. (CVE-2021-42782)

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 version of the opensc package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - sc_context_create in ctx.c in libopensc in OpenSC     0.19.0 has a memory leak, as demonstrated by a call     from eidenv.(CVE-2019-6502)

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.

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3463 advisory.

  - sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from     eidenv. (CVE-2019-6502)

  - A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid. (CVE-2021-42779)

  - A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could     potentially crash programs using the library. (CVE-2021-42780)

  - Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could     potentially crash programs using the library. (CVE-2021-42781)

  - Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could     potentially crash programs using the library. (CVE-2021-42782)

  - A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15     cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context.
    The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is     wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In     cases where ASAN is enabled while compiling this causes a crash. Further info leak or more damage is     possible. (CVE-2023-2977)

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

ID	Name	Product	Family	Published	Updated	Severity
143754	SUSE SLES12 Security Update : opensc (SUSE-SU-2020:3133-1)	Nessus	SuSE Local Security Checks	12/9/2020	2/5/2024	high
168172	SUSE SLED15 / SLES15 Security Update : opensc (SUSE-SU-2022:4196-1)	Nessus	SuSE Local Security Checks	11/24/2022	7/14/2023	high
159349	SUSE SLES15 Security Update : opensc (SUSE-SU-2022:1041-1)	Nessus	SuSE Local Security Checks	3/30/2022	7/13/2023	medium
131359	EulerOS 2.0 SP8 : opensc (EulerOS-SA-2019-2293)	Nessus	Huawei Local Security Checks	11/27/2019	4/9/2024	high
177462	Debian DLA-3463-1 : opensc - LTS security update	Nessus	Debian Local Security Checks	6/21/2023	6/21/2023	high

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