Vulnerability Monitor

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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.

Published

2021-09-20T14:15:08.160

Last Modified

2024-11-21T05:12:56.750

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	unicode	international_components_for_unicode	< 66.1	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://github.com/unicode-org/icu/pull/886 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html Mailing List, Third Party Advisory ([email protected])
https://unicode-org.atlassian.net/browse/ICU-20850 Exploit, Vendor Advisory ([email protected])
https://www.debian.org/security/2021/dsa-5014 Third Party Advisory ([email protected])
https://github.com/unicode-org/icu/pull/886 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://unicode-org.atlassian.net/browse/ICU-20850 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-5014 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)