CVE-2020-21913

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-21913
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/unicode-org/icu/pull/886 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html Mailing List Third Party Advisory
https://unicode-org.atlassian.net/browse/ICU-20850 Exploit Vendor Advisory
https://www.debian.org/security/2021/dsa-5014 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

29 Nov 2021, 17:20

Type Values Removed Values Added
References (DEBIAN) https://www.debian.org/security/2021/dsa-5014 - (DEBIAN) https://www.debian.org/security/2021/dsa-5014 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

28 Nov 2021, 23:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-5014 -

12 Oct 2021, 14:28

Type Values Removed Values Added
CPE cpe:2.3:a:unicode:international_components_for_unicode:66.1:*:*:*:*:*:*:* cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html - Mailing List, Third Party Advisory

12 Oct 2021, 13:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html -

04 Oct 2021, 17:59

Type Values Removed Values Added
CWE CWE-416
CPE cpe:2.3:a:unicode:international_components_for_unicode:66.1:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 5.5
References (MISC) https://unicode-org.atlassian.net/browse/ICU-20850 - (MISC) https://unicode-org.atlassian.net/browse/ICU-20850 - Exploit, Vendor Advisory
References (MISC) https://github.com/unicode-org/icu/pull/886 - (MISC) https://github.com/unicode-org/icu/pull/886 - Patch, Third Party Advisory

20 Sep 2021, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-20 14:15

Updated : 2023-12-10 14:09

NVD link : CVE-2020-21913

Mitre link : CVE-2020-21913

CVE.ORG link : CVE-2020-21913

JSON object : View

Products Affected

debian

  • debian_linux

unicode

  • international_components_for_unicode
CWE
CWE-416

Use After Free