Unrated severityNVD Advisory· Published Oct 21, 2021· Updated Aug 4, 2024
Improper client input validation for FreeRDP gateway connections allows to overwrite memory
CVE-2021-41159
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (/gt:rpc) fail to validate input data. A malicious gateway might allow client memory to be written out of bounds. This issue has been resolved in version 2.4.1. If you are unable to update then use /gt:http rather than /gt:rdp connections if possible or use a direct connection without a gateway.
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Affected products
16- osv-coords14 versionspkg:rpm/almalinux/freerdppkg:rpm/almalinux/freerdp-develpkg:rpm/almalinux/freerdp-libspkg:rpm/almalinux/libwinprpkg:rpm/almalinux/libwinpr-develpkg:rpm/opensuse/freerdp2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/freerdp&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/freerdp&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 2:2.2.0-7.el8_5+ 13 more
- (no CPE)range: < 2:2.2.0-7.el8_5
- (no CPE)range: < 2:2.2.0-7.el8_5
- (no CPE)range: < 2:2.2.0-7.el8_5
- (no CPE)range: < 2:2.2.0-7.el8_5
- (no CPE)range: < 2:2.2.0-7.el8_5
- (no CPE)range: < 2.4.1-1.1
- (no CPE)range: < 2.1.2-150200.15.18.1
- (no CPE)range: < 2.4.0-150400.3.6.1
- (no CPE)range: < 2.1.2-150200.15.18.1
- (no CPE)range: < 2.4.0-150400.3.6.1
- (no CPE)range: < 2.1.2-12.26.1
- (no CPE)range: < 2.1.2-12.26.1
- (no CPE)range: < 2.1.2-150200.15.18.1
- (no CPE)range: < 2.4.0-150400.3.6.1
Patches
Vulnerability mechanics
References
3News mentions
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