CVE-2020-14400
published 2020-06-17CVE-2020-14400: An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.84%
84.9th percentile
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | libvncserver | < libvncserver 0.9.13+dfsg-1 (bookworm) | libvncserver 0.9.13+dfsg-1 (bookworm) |
| libvncserver_project | libvncserver | < 0.9.13 | 0.9.13 |
| libvncserver_project | libvncserver | >= 0 < 0.9.13+dfsg-1 | 0.9.13+dfsg-1 |
| libvncserver_project | libvncserver | >= 0 < 0.9.13+dfsg-1 | 0.9.13+dfsg-1 |
| libvncserver_project | libvncserver | >= 0 < 0.9.13+dfsg-1 | 0.9.13+dfsg-1 |
| libvncserver_project | libvncserver | >= 0 < 0.9.13+dfsg-1 | 0.9.13+dfsg-1 |
| libvncserver_project | libvncserver | >= 0 < 0.9.10+dfsg-3ubuntu0.16.04.5 | 0.9.10+dfsg-3ubuntu0.16.04.5 |
| libvncserver_project | libvncserver | >= 0 < 0.9.11+dfsg-1ubuntu1.3 | 0.9.11+dfsg-1ubuntu1.3 |
| libvncserver_project | libvncserver | >= 0 < 0.9.12+dfsg-9ubuntu0.2 | 0.9.12+dfsg-9ubuntu0.2 |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/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
vendor_ubuntu7.5HIGH
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GHSA
GHSA-36w6-3wpq-3xq2: An issue was discovered in LibVNCServer before 0
ghsa_unreviewed·2022-05-24
CVE-2020-14400 [MEDIUM] GHSA-36w6-3wpq-3xq2: An issue was discovered in LibVNCServer before 0
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
OSV
libvncserver vulnerabilities
osv·2020-07-23·CVSS 7.5
CVE-2019-20839 [HIGH] libvncserver vulnerabilities
libvncserver vulnerabilities
Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled
certain malformed unix socket names. A remote attacker could exploit this
with a crafted socket name, leading to a denial of service, or possibly
execute arbitrary code. (CVE-2019-20839)
It was discovered that LibVNCServer did not properly access byte-aligned
data. A remote attacker could possibly use this issue to cause
LibVNCServer to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-20840)
Christian Beier discovered that LibVNCServer incorrectly handled anonymous
TLS connections. A remote attacker could possibly use this issue to cause
LibVNCServer to crash, resulting in a denial of service. This issue only
affected Ubuntu
OSV
CVE-2020-14400: An issue was discovered in LibVNCServer before 0
osv·2020-06-17·CVSS 7.5
CVE-2020-14400 [HIGH] CVE-2020-14400: An issue was discovered in LibVNCServer before 0
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Ubuntu
LibVNCServer vulnerabilities
vendor_ubuntu·2020-07-23·CVSS 7.5
CVE-2019-20839 [HIGH] LibVNCServer vulnerabilities
Title: LibVNCServer vulnerabilities
Summary: Several security issues were fixed in LibVNCServer.
Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled
certain malformed unix socket names. A remote attacker could exploit this
with a crafted socket name, leading to a denial of service, or possibly
execute arbitrary code. (CVE-2019-20839)
It was discovered that LibVNCServer did not properly access byte-aligned
data. A remote attacker could possibly use this issue to cause
LibVNCServer to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-20840)
Christian Beier discovered that LibVNCServer incorrectly handled anonymous
TLS connections. A remote attacker could possibly use this issue to cause
LibVNCServer to cra
Red Hat
libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
vendor_redhat·2020-06-17·CVSS 7.5
CVE-2020-14400 [HIGH] CWE-200 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Statement: Red Hat Product Security does not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary.
Package: libvncserver (Red Hat Enterprise Linux 6) - Not affected
Package: vino (Red Hat Enterprise Linux 6) - Not affected
Package: libvncserver (Red Hat Enterprise Linux 7) - Not affected
Package: vino (Red Hat Enterprise Linux 7) - Not affected
Package: libvncserve
Debian
CVE-2020-14400: libvncserver - An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is acce...
vendor_debian·2020·CVSS 7.5
CVE-2020-14400 [HIGH] CVE-2020-14400: libvncserver - An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is acce...
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Scope: local
bookworm: resolved (fixed in 0.9.13+dfsg-1)
bullseye: resolved (fixed in 0.9.13+dfsg-1)
forky: resolved (fixed in 0.9.13+dfsg-1)
sid: resolved (fixed in 0.9.13+dfsg-1)
trixie: resolved (fixed in 0.9.13+dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [fedora-all]
bugzilla·2020-07-24·CVSS 7.5
CVE-2020-14400 [HIGH] CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [fedora-all]
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [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
Bugzilla
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
bugzilla·2020-07-24·CVSS 7.5
CVE-2020-14400 [HIGH] CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
Upstream commit:
https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d
Discussion:
Created libvncserver tracking bugs for this issue:
Affects: epel-7 [bug 1860362]
Affects: fedora-all [bug 1860363]
---
I've opened general software bugs for this as there is no known exploit path or trust boundary crossed:
https://bugzilla.redhat.com/show_bug.cgi?id=1861929
https://bugzilla.redhat.com/show_bug.cgi?id=1861933
https://bugzilla.redhat.com/show_bug.cgi?id=1861932
https://bugzilla.redhat.com/show_bug.cgi?id
Bugzilla
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [epel-7]
bugzilla·2020-07-24·CVSS 7.5
CVE-2020-14400 [HIGH] CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [epel-7]
CVE-2020-14400 libvncserver: byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c [epel-7]
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-7.
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:
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1860361https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2dhttps://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13https://lists.debian.org/debian-lts-announce/2020/06/msg00035.htmlhttps://lists.debian.org/debian-lts-announce/2020/08/msg00045.htmlhttps://usn.ubuntu.com/4434-1/http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1860361https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2dhttps://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13https://lists.debian.org/debian-lts-announce/2020/06/msg00035.htmlhttps://lists.debian.org/debian-lts-announce/2020/08/msg00045.htmlhttps://usn.ubuntu.com/4434-1/
2020-06-17
Published