Vulnerability Name:

CVE-2020-26570 (CCN-189384)

Assigned:2020-07-22
Published:2020-07-22
Updated:2021-11-29
Summary:The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.4 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-26570

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20201124 OpenSC 0.21.0 released

Source: CCN
Type: Google Security Research Issue 24316
opensc:fuzz_pkcs15_reader: Heap-buffer-overflow in sc_oberthur_read_file

Source: MISC
Type: Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316

Source: XF
Type: UNKNOWN
opensc-cve202026570-bo(189384)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e

Source: CCN
Type: OpenSC GIT Repository
Releases OpenSC/OpenSC - GitHub

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20211129 [SECURITY] [DLA 2832-1] opensc security update

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-7c80831ffe

Vulnerable Configuration:Configuration 1:
  • cpe:/a:opensc-project:opensc:*:*:*:*:*:*:*:* (Version <= 0.20.0)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:opensc_project:opensc:0.20.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7724
    P
    		opensc-0.22.0-150400.1.7 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3130
    P
    		libSDL-1_2-0-1.2.15-15.11.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3380
    P
    		tar-1.27.1-15.3.7 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95195
    P
    		icedtea-web-1.7.2-150100.7.3.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94492
    P
    		apache2-2.4.51-150400.4.6 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94760
    P
    		opensc-0.22.0-150400.1.7 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:249
    P
    		opensc-0.19.0-3.7.1 on GA media (Moderate)
    2022-06-13
    oval:org.opensuse.security:def:1178
    P
    		Security update for go1.18 (Important)
    2022-06-07
    oval:org.opensuse.security:def:113061
    P
    		opensc-0.21.0-2.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106501
    P
    		opensc-0.21.0-2.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:101025
    P
    		opensc-0.19.0-3.7.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:72008
    P
    		opensc-0.19.0-3.7.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:101205
    P
    		libmodplug-devel-0.3.19-2.10.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62267
    P
    		opensc-0.19.0-3.7.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:101908
    P
    		Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Important)
    2021-07-29
    oval:com.redhat.rhsa:def:20211600
    P
    		RHSA-2021:1600: opensc security, bug fix, and enhancement update (Moderate)
    2021-05-18
    oval:org.opensuse.security:def:111326
    P
    		Security update for opensc (Moderate)
    2021-04-16
    oval:org.opensuse.security:def:75804
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:64469
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:5647
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:96842
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:66736
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:107871
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:117386
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:73591
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:108574
    P
    		Security update for opensc (Moderate)
    2021-04-13
    oval:org.opensuse.security:def:33106
    P
    		Security update for opensc (Moderate)
    2021-03-31
    oval:org.opensuse.security:def:5990
    P
    		Security update for opensc (Moderate)
    2021-03-31
    oval:org.opensuse.security:def:87570
    P
    		Security update for opensc (Moderate)
    2021-03-31
    oval:org.opensuse.security:def:58929
    P
    		Security update for opensc (Moderate)
    2021-03-31
    oval:org.opensuse.security:def:34668
    P
    		Security update for opensc (Moderate)
    2021-03-31
    oval:org.opensuse.security:def:60491
    P
    		Security update for opensc (Moderate)
    2021-03-31
    BACK
    opensc-project opensc *
    fedoraproject fedora 33
    debian debian linux 9.0
    opensc_project opensc 0.20.0 -