CVE-2020-26572

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.
Overview
  • CVE ID
  • CVE-2020-26572
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-06T02:15:13
  • Last Modified Date
  • 2021-11-30T19:43:05
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:* 1 OR 0.20.0
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967 Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/24/4 Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26572
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26572
History
Created Old Value New Value Data Type Notes
2022-05-10 06:44:23 Added to TrackCVE
2022-12-04 23:44:30 2020-10-06T02:15Z 2020-10-06T02:15:13 CVE Published Date updated
2022-12-04 23:44:30 2021-11-30T19:43:05 CVE Modified Date updated
2022-12-04 23:44:31 Analyzed Vulnerability Status updated