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CVE Vulnerabilities

CVE-2020-4032

Incorrect Conversion between Numeric Types

Published: Jun 22, 2020 | Modified: Nov 21, 2024
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-4032
CWEhttps://cwe.mitre.org/data/definitions/681.html

In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.

Weakness

When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.

Affected Software

NameVendorStart VersionEnd Version
FreerdpFreerdp*2.1.2 (excluding)
FreerdpUbuntutrusty*
Freerdp2Ubuntubionic*
Freerdp2Ubuntueoan*
Freerdp2Ubuntuesm-infra/bionic*
Freerdp2Ubuntuesm-infra/focal*
Freerdp2Ubuntufocal*
Freerdp2Ubuntutrusty*

Potential Mitigations

References

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