In FreeRDP less than or equal to 2.1.2, an integer overflow exists due to missing input sanitation in rdpegfx channel. All FreeRDP clients are affected. The input rectangles from the server are not checked against local surface coordinates and blindly accepted. A malicious server can send data that will crash the client later on (invalid length arguments to a `memcpy`) This has been fixed in 2.2.0. As a workaround, stop using command line arguments /gfx, /gfx-h264 and /network:auto
References
Link | Resource |
---|---|
https://github.com/FreeRDP/FreeRDP/pull/6382 | Patch Third Party Advisory |
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4r38-6hq7-j3j9 | Third Party Advisory |
https://github.com/FreeRDP/FreeRDP/blob/616af2d5b86dc24c7b3e89870dbcffd841d9a535/ChangeLog#L4 | Release Notes Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/ | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/ | Mailing List Third Party Advisory |
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00010.html | Mailing List Third Party Advisory |
https://usn.ubuntu.com/4481-1/ | Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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Information
Published : 2020-07-27 11:15
Updated : 2021-11-18 10:24
NVD link : CVE-2020-15103
Mitre link : CVE-2020-15103
JSON object : View
Products Affected
canonical
- ubuntu_linux
freerdp
- freerdp
fedoraproject
- fedora
opensuse
- leap