Amazon Linux 2 : opensc (ALAS-2019-1312)

Medium Nessus Plugin ID 129794

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

Several buffer overflows when handling responses from a Muscle Card in muscle_list_files in libopensc/card-muscle.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16391)

Several buffer overflows when handling responses from a TCOS Card in tcos_select_file in libopensc/card-tcos.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16392)

Several buffer overflows when handling responses from a Gemsafe V1 Smartcard in gemsafe_get_cert_len in libopensc/pkcs15-gemsafeV1.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.CVE-2018-16393)

A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16418)

Several buffer overflows when handling responses from a Cryptoflex card in read_public_key in tools/cryptoflex-tool.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16419)

Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16420)

Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16421)

A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in libopensc/pkcs15-esteid.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16422)

A double free when handling responses from a smartcard in sc_file_set_sec_attr in libopensc/sc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.(CVE-2018-16423)

Endless recursion when handling responses from an IAS-ECC card in iasecc_select_file in libopensc/card-iasecc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to hang or crash the opensc library using programs.(CVE-2018-16426)

Various out of bounds reads when handling responses in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to potentially crash the opensc library using programs.(CVE-2018-16427)

Solution

Run 'yum update opensc' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1312.html

Plugin Details

Severity: Medium

ID: 129794

File Name: al2_ALAS-2019-1312.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/10/11

Updated: 2019/12/19

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2018-16423

CVSS v2.0

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.6

Temporal Score: 5.8

Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:opensc, p-cpe:/a:amazon:linux:opensc-debuginfo, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/10/09

Vulnerability Publication Date: 2018/09/03

Reference Information

CVE: 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

ALAS: 2019-1312