CVE-2020-4033
published 2020-06-22CVE-2020-4033: In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUINSUCLINAL
EPSS
1.84%
76.7th percentile
In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | freerdp2 | < freerdp2 2.1.2+dfsg1-1 (bookworm) | freerdp2 2.1.2+dfsg1-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| freerdp | freerdp | < 2.1.2 | 2.1.2 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
osv6.5MEDIUM
vendor_debian3.1LOW
vendor_redhat3.1LOW
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
OSV
CVE-2020-4033: In FreeRDP before version 2
osv·2020-06-22·CVSS 6.5
CVE-2020-4033 [MEDIUM] CVE-2020-4033: In FreeRDP before version 2
In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.
Ubuntu
FreeRDP vulnerabilities
vendor_ubuntu·2020-09-01
CVE-2020-11095 FreeRDP vulnerabilities
Title: FreeRDP vulnerabilities
Summary: Several security issues were fixed in FreeRDP.
It was discovered that FreeRDP incorrectly handled certain memory
operations. A remote attacker could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly execute arbitrary
code.
Instructions: This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.
Red Hat
freerdp: out-of-bounds read in RLEDECOMPRESS
vendor_redhat·2020-06-22·CVSS 3.1
CVE-2020-4033 [LOW] CWE-125 freerdp: out-of-bounds read in RLEDECOMPRESS
freerdp: out-of-bounds read in RLEDECOMPRESS
In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.
Mitigation: Set the color depth to 32 with the client commandline option: /bpp:32.
Package: freerdp (Red Hat Enterprise Linux 6) - Out of support scope
Package: freerdp (Red Hat Enterprise Linux 7) - Fix deferred
Debian
CVE-2020-4033: freerdp2 - In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS...
vendor_debian·2020·CVSS 3.1
CVE-2020-4033 [LOW] CVE-2020-4033: freerdp2 - In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS...
In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.
Scope: local
bookworm: resolved (fixed in 2.1.2+dfsg1-1)
bullseye: resolved (fixed in 2.1.2+dfsg1-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS
bugzilla·2020-07-08·CVSS 3.1
CVE-2020-4033 [LOW] CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS
In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.
References:
http://www.freerdp.com/2020/06/22/2_1_2-released
https://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571f5
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8
Discussion:
Created freerdp tracking bugs for this issue:
Affects: epel-all [bug 1854887]
Affects: fedora-all [bug 1854886]
---
Moved to low since this only affects the client, there's a mitigation, and the out-of-bounds read is very limited.
---
Mitigation:
Set the color depth to 32 with the client commandline option: /
Bugzilla
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [fedora-all]
bugzilla·2020-07-08·CVSS 3.1
CVE-2020-4033 [LOW] CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [fedora-all]
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fe
Bugzilla
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [epel-all]
bugzilla·2020-07-08·CVSS 3.1
CVE-2020-4033 [LOW] CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [epel-all]
CVE-2020-4033 freerdp: out-of-bounds read in RLEDECOMPRESS [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlhttp://www.freerdp.com/2020/06/22/2_1_2-releasedhttps://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571f5https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/https://usn.ubuntu.com/4481-1/http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlhttp://www.freerdp.com/2020/06/22/2_1_2-releasedhttps://github.com/FreeRDP/FreeRDP/commit/0a98c450c58ec150e44781c89aa6f8e7e0f571f5https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7rhj-856w-82p8https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6Y35HBHG2INICLSGCIKNAR7GCXEHQACQ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOZLH35OJWIQLM7FYDXAP2EAUBDXE76V/https://usn.ubuntu.com/4481-1/
2020-06-22
Published