CVE-2018-20178
published 2019-03-15CVE-2018-20178: rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service…
PriorityP337high7.5CVSS 3.0
AVNACLPRNUINSUCNINAH
EPSS
4.34%
90.1th percentile
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | rdesktop | < rdesktop 1.8.4-1 (bookworm) | rdesktop 1.8.4-1 (bookworm) |
| rdesktop | rdesktop | <= 1.8.3 | — |
| rdesktop | rdesktop | >= 0 < 1.8.4-1 | 1.8.4-1 |
| rdesktop | rdesktop | >= 0 < 1.8.4-1 | 1.8.4-1 |
| rdesktop | rdesktop | >= 0 < 1.8.4-1 | 1.8.4-1 |
| rdesktop | rdesktop | >= 0 < 1.8.4-1 | 1.8.4-1 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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Red Hat
rdesktop: Denial of Service in process_demand_active
vendor_redhat·2019-01-04·CVSS 7.5
CVE-2018-20178 [HIGH] CWE-400 rdesktop: Denial of Service in process_demand_active
rdesktop: Denial of Service in process_demand_active
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Package: rdesktop (Red Hat Enterprise Linux 5) - Will not fix
Package: rdesktop (Red Hat Enterprise Linux 6) - Will not fix
Debian
CVE-2018-20178: rdesktop - rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in th...
vendor_debian·2018·CVSS 7.5
CVE-2018-20178 [HIGH] CVE-2018-20178: rdesktop - rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in th...
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Scope: local
bookworm: resolved (fixed in 1.8.4-1)
bullseye: resolved (fixed in 1.8.4-1)
forky: resolved (fixed in 1.8.4-1)
sid: resolved (fixed in 1.8.4-1)
trixie: resolved (fixed in 1.8.4-1)
GHSA
GHSA-hr47-ggx3-938x: rdesktop versions up to and including v1
ghsa_unreviewed·2022-05-13
CVE-2018-20178 [HIGH] CWE-125 GHSA-hr47-ggx3-938x: rdesktop versions up to and including v1
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
OSV
CVE-2018-20178: rdesktop versions up to and including v1
osv·2019-03-15·CVSS 7.5
CVE-2018-20178 [HIGH] CVE-2018-20178: rdesktop versions up to and including v1
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-20174 CVE-2018-20175 CVE-2018-20176 CVE-2018-20177 CVE-2018-20178 CVE-2018-20179 CVE-2018-20180 CVE-2018-20181 CVE-2018-20182 CVE-2018-8791 CVE-2018-8792 CVE-2018-8793 CVE-2018-8794 CVE-2018-
bugzilla·2019-01-29·CVSS 7.5
CVE-2018-20174 [HIGH] CVE-2018-20174 CVE-2018-20175 CVE-2018-20176 CVE-2018-20177 CVE-2018-20178 CVE-2018-20179 CVE-2018-20180 CVE-2018-20181 CVE-2018-20182 CVE-2018-8791 CVE-2018-8792 CVE-2018-8793 CVE-2018-8794 CVE-2018-
CVE-2018-20174 CVE-2018-20175 CVE-2018-20176 CVE-2018-20177 CVE-2018-20178 CVE-2018-20179 CVE-2018-20180 CVE-2018-20181 CVE-2018-20182 CVE-2018-8791 CVE-2018-8792 CVE-2018-8793 CVE-2018-8794 CVE-2018-8795 ... rdesktop: various flaws [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 to
Bugzilla
CVE-2018-20178 rdesktop: Denial of Service in process_demand_active
bugzilla·2019-01-29·CVSS 7.5
CVE-2018-20178 [HIGH] CVE-2018-20178 rdesktop: Denial of Service in process_demand_active
CVE-2018-20178 rdesktop: Denial of Service in process_demand_active
A flaw was found in rdesktop before 1.8.4. A issue in process_demand_active function may lead to denial of service.
Upstream patch:
https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2
https://github.com/rdesktop/rdesktop/releases/tag/v1.8.4
Discussion:
Created rdesktop tracking bugs for this issue:
Affects: fedora-all [bug 1670427]
---
Note:
You need to connect to a malicious or a MITM RDP server in order to trigger this flaw. The malicious RDP server can cause the client to crash.
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlhttp://www.securityfocus.com/bid/106938https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/https://security.gentoo.org/glsa/201903-06https://www.debian.org/security/2019/dsa-4394http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlhttp://www.securityfocus.com/bid/106938https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/https://security.gentoo.org/glsa/201903-06https://www.debian.org/security/2019/dsa-4394
2019-03-15
Published