CVE-2018-8784
published 2018-11-29CVE-2018-8784: FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably…
PriorityP356critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
7.29%
93.7th percentile
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| check_point_software_technologies_ltd | freerdp | — | — |
| debian | freerdp2 | < freerdp2 2.0.0~git20181120.1.e21b72c95+dfsg1-1 (bookworm) | freerdp2 2.0.0~git20181120.1.e21b72c95+dfsg1-1 (bookworm) |
| freerdp | freerdp | <= 1.2.0 | — |
| freerdp | freerdp | — | — |
| freerdp | freerdp | — | — |
| freerdp | freerdp | — | — |
| freerdp | freerdp | >= 0 < 1.0.2-2ubuntu1.2 | 1.0.2-2ubuntu1.2 |
| freerdp | freerdp | >= 0 < 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 | 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3 |
| freerdp | freerdp | >= 0 < 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1 | 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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Ubuntu
FreeRDP vulnerabilities
vendor_ubuntu·2019-05-28·CVSS 9.8
CVE-2018-8786 [CRITICAL] FreeRDP vulnerabilities
Title: FreeRDP vulnerabilities
Summary: Several security issues were fixed in FreeRDP.
USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the
corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10.
Original advisory details:
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)
Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)
Eyal Itki
Ubuntu
FreeRDP vulnerabilities
vendor_ubuntu·2018-12-12·CVSS 9.8
CVE-2018-8784 [CRITICAL] FreeRDP vulnerabilities
Title: FreeRDP vulnerabilities
Summary: Several security issues were fixed in FreeRDP.
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)
Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service,
Red Hat
freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
vendor_redhat·2018-10-22·CVSS 9.8
CVE-2018-8784 [CRITICAL] CWE-122 freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
Statement: This issue did not affect the versions of freerdp as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for ZGFX data compression.
Package: freerdp (Red Hat Enterprise Linux 6) - Not affected
Package: freerdp (Red Hat Enterprise Linux 7) - Not affected
Package: freerdp (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-8784: freerdp2 - FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in func...
vendor_debian·2018·CVSS 9.8
CVE-2018-8784 [CRITICAL] CVE-2018-8784: freerdp2 - FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in func...
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
Scope: local
bookworm: resolved (fixed in 2.0.0~git20181120.1.e21b72c95+dfsg1-1)
bullseye: resolved (fixed in 2.0.0~git20181120.1.e21b72c95+dfsg1-1)
GHSA
GHSA-9392-mf3x-x7wh: FreeRDP prior to version 2
ghsa_unreviewed·2022-05-13
CVE-2018-8784 [CRITICAL] CWE-787 GHSA-9392-mf3x-x7wh: FreeRDP prior to version 2
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
OSV
freerdp vulnerabilities
osv·2019-05-28·CVSS 9.8
CVE-2018-8784 [CRITICAL] freerdp vulnerabilities
freerdp vulnerabilities
USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the
corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10.
Original advisory details:
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)
Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encoding
OSV
freerdp, freerdp2 vulnerabilities
osv·2018-12-12·CVSS 9.8
CVE-2018-8784 [CRITICAL] freerdp, freerdp2 vulnerabilities
freerdp, freerdp2 vulnerabilities
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)
Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)
Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only a
OSV
CVE-2018-8784: FreeRDP prior to version 2
osv·2018-11-29·CVSS 9.8
CVE-2018-8784 [CRITICAL] CVE-2018-8784: FreeRDP prior to version 2
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-8784 freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
bugzilla·2019-01-31·CVSS 9.8
CVE-2018-8784 [CRITICAL] CVE-2018-8784 freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
CVE-2018-8784 freerdp: Heap-based buffer overflow in zgfx_decompress_segment() function
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption.
Upstream patch:
https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7
Discussion:
Created freerdp tracking bugs for this issue:
Affects: epel-6 [bug 1671370]
---
Statement:
This issue did not affect the versions of freerdp as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for ZGFX data compression.
Bugzilla
CVE-2018-8784 CVE-2018-8785 CVE-2018-8786 CVE-2018-8787 CVE-2018-8788 CVE-2018-8789 freerdp: various flaws [epel-6]
bugzilla·2019-01-31·CVSS 9.8
CVE-2018-8784 [CRITICAL] CVE-2018-8784 CVE-2018-8785 CVE-2018-8786 CVE-2018-8787 CVE-2018-8788 CVE-2018-8789 freerdp: various flaws [epel-6]
CVE-2018-8784 CVE-2018-8785 CVE-2018-8786 CVE-2018-8787 CVE-2018-8788 CVE-2018-8789 freerdp: various flaws [epel-6]
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-6.
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.
Discussion:
Use t
http://www.securityfocus.com/bid/106938https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/https://usn.ubuntu.com/3845-1/http://www.securityfocus.com/bid/106938https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/https://usn.ubuntu.com/3845-1/
2018-11-29
Published