RHSA-2019:2154 - Security Advisory

Topic

An update for opensc is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

The following packages have been upgraded to a later upstream version: opensc (0.19.0). (BZ#1656791)

Security Fix(es):

• opensc: Buffer overflows handling responses from Muscle Cards in card-muscle.c:muscle_list_files() (CVE-2018-16391)
• opensc: Buffer overflows handling responses from TCOS Cards in card-tcos.c:tcos_select_file() (CVE-2018-16392)
• opensc: Buffer overflows handling responses from Gemsafe V1 Smartcards in pkcs15-gemsafeV1.c:gemsafe_get_cert_len() (CVE-2018-16393)
• opensc: Buffer overflow handling string concatention in tools/util.c:util_acl_to_str() (CVE-2018-16418)
• opensc: Buffer overflow handling responses from Cryptoflex cards in cryptoflex-tool.c:read_public_key() (CVE-2018-16419)
• opensc: Buffer overflows handling responses from ePass 2003 Cards in card-epass2003.c:decrypt_response() (CVE-2018-16420)
• opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID() (CVE-2018-16421)
• opensc: Buffer overflow handling responses from esteid cards in pkcs15-esteid.c:sc_pkcs15emu_esteid_init() (CVE-2018-16422)
• opensc: Double free handling responses from smartcards in libopensc/sc.c:sc_file_set_sec_attr() (CVE-2018-16423)
• opensc: Out of bounds reads handling responses from smartcards (CVE-2018-16427)
• opensc: Infinite recusrion handling responses from IAS-ECC cards in card-iasecc.c:iasecc_select_file() (CVE-2018-16426)

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 7.7 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1627998 - CVE-2018-16391 opensc: Buffer overflows handling responses from Muscle Cards in card-muscle.c:muscle_list_files()
• BZ - 1628002 - CVE-2018-16392 opensc: Buffer overflows handling responses from TCOS Cards in card-tcos.c:tcos_select_file()
• BZ - 1628006 - CVE-2018-16393 opensc: Buffer overflows handling responses from Gemsafe V1 Smartcards in pkcs15-gemsafeV1.c:gemsafe_get_cert_len()
• BZ - 1628010 - CVE-2018-16418 opensc: Buffer overflow handling string concatention in tools/util.c:util_acl_to_str()
• BZ - 1628013 - CVE-2018-16419 opensc: Buffer overflow handling responses from Cryptoflex cards in cryptoflex-tool.c:read_public_key()
• BZ - 1628016 - CVE-2018-16422 opensc: Buffer overflow handling responses from esteid cards in pkcs15-esteid.c:sc_pkcs15emu_esteid_init()
• BZ - 1628020 - CVE-2018-16423 opensc: Double free handling responses from smartcards in libopensc/sc.c:sc_file_set_sec_attr()
• BZ - 1628026 - CVE-2018-16420 opensc: Buffer overflows handling responses from ePass 2003 Cards in card-epass2003.c:decrypt_response()
• BZ - 1628034 - CVE-2018-16421 opensc: Buffer overflows handling responses from CAC Cards in card-cac.c:cac_get_serial_nr_from_CUID()
• BZ - 1628044 - CVE-2018-16426 opensc: Infinite recusrion handling responses from IAS-ECC cards in card-iasecc.c:iasecc_select_file()
• BZ - 1628052 - CVE-2018-16427 opensc: Out of bounds reads handling responses from smartcards
• BZ - 1656791 - Rebase to latest OpenSC 0.19.0
• BZ - 1672898 - CKR_KEY_TYPE_INCONSISTENT while doing ssh using sssd smart card

CVEs

• CVE-2018-16391
• CVE-2018-16392
• CVE-2018-16393
• CVE-2018-16418
• CVE-2018-16419
• CVE-2018-16420
• CVE-2018-16421
• CVE-2018-16422
• CVE-2018-16423
• CVE-2018-16426
• CVE-2018-16427

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index