CVE-2018-14599
published 2018-08-24CVE-2018-14599: An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server…
PriorityP350critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
4.80%
90.8th percentile
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | libx11 | < libx11 2:1.6.6-1 (bookworm) | libx11 2:1.6.6-1 (bookworm) |
| fedoraproject | fedora | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_workstation | — | — |
| x.org | libx11 | <= 1.6.5 | — |
| x.org | libx11 | >= 0 < 2:1.6.6-1 | 2:1.6.6-1 |
| x.org | libx11 | >= 0 < 2:1.6.6-1 | 2:1.6.6-1 |
| x.org | libx11 | >= 0 < 2:1.6.6-1 | 2:1.6.6-1 |
| x.org | libx11 | >= 0 < 2:1.6.6-1 | 2:1.6.6-1 |
| x.org | libx11 | >= 0 < 2:1.6.2-1ubuntu2.1 | 2:1.6.2-1ubuntu2.1 |
| x.org | libx11 | >= 0 < 2:1.6.3-1ubuntu2.1 | 2:1.6.3-1ubuntu2.1 |
| x.org | libx11 | >= 0 < 2:1.6.4-3ubuntu0.1 | 2:1.6.4-3ubuntu0.1 |
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_debian9.8LOW
vendor_redhat9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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GHSA
GHSA-4q9q-728x-j7v5: An issue was discovered in libX11 through 1
ghsa_unreviewed·2022-05-13
CVE-2018-14599 [CRITICAL] CWE-193 GHSA-4q9q-728x-j7v5: An issue was discovered in libX11 through 1
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
OSV
libx11 vulnerabilities
osv·2018-08-30·CVSS 9.8
CVE-2016-7942 [CRITICAL] libx11 vulnerabilities
libx11 vulnerabilities
Tobias Stoeckmann discovered that libx11 incorrectly handled certain images.
An attacker could possibly use this issue to access sensitive information
(CVE-2016-7942)
Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive information.
(CVE-2016-7943)
It was discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)
OSV
CVE-2018-14599: An issue was discovered in libX11 through 1
osv·2018-08-24·CVSS 9.8
CVE-2018-14599 [CRITICAL] CVE-2018-14599: An issue was discovered in libX11 through 1
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
Ubuntu
libx11 vulnerabilities
vendor_ubuntu·2018-08-30·CVSS 9.8
CVE-2016-7942 [CRITICAL] libx11 vulnerabilities
Title: libx11 vulnerabilities
Summary: Several security issues were fixed in libx11.
Tobias Stoeckmann discovered that libx11 incorrectly handled certain images.
An attacker could possibly use this issue to access sensitive information
(CVE-2016-7942)
Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive information.
(CVE-2016-7943)
It was discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
Ubuntu
libx11 vulnerabilities
vendor_ubuntu·2018-08-30·CVSS 9.8
CVE-2016-7942 [CRITICAL] libx11 vulnerabilities
Title: libx11 vulnerabilities
Summary: Several security issues were fixed in libx11.
USN-3758-1 fixed several vulnerabilities in libx11. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Tobias Stoeckmann discovered that libx11 incorrectly handled certain images.
An attacker could possibly use this issue to access sensitive information
(CVE-2016-7942)
Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive information.
(CVE-2016-7943)
It was discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)
Instructions: After a standard system u
Red Hat
libX11: Off-by-one error in XListExtensions in ListExt.c
vendor_redhat·2018-08-21·CVSS 9.8
CVE-2018-14599 [CRITICAL] CWE-787 libX11: Off-by-one error in XListExtensions in ListExt.c
libX11: Off-by-one error in XListExtensions in ListExt.c
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
An off-by-one error has been discovered in libX11 in functions XGetFontPath(), XListExtensions(), and XListFonts(). An attacker who can either configure a malicious X server or modify the data coming from one could use this flaw to make the program crash or have other unspecified effects, caused by the memory corruption.
Statement: This issue did not affect the versions of libX11 as shipped with Red Hat Enterprise Linux 5 as they did not include the vulnerable code.
To exploit the vulnerability an attacker would nee
Debian
CVE-2018-14599: libx11 - An issue was discovered in libX11 through 1.6.5. The function XListExtensions in...
vendor_debian·2018·CVSS 9.8
CVE-2018-14599 [CRITICAL] CVE-2018-14599: libx11 - An issue was discovered in libX11 through 1.6.5. The function XListExtensions in...
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
Scope: local
bookworm: resolved (fixed in 2:1.6.6-1)
bullseye: resolved (fixed in 2:1.6.6-1)
forky: resolved (fixed in 2:1.6.6-1)
sid: resolved (fixed in 2:1.6.6-1)
trixie: resolved (fixed in 2:1.6.6-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-14599 libX11: off-by-one error in XListExtensions in ListExt.c [fedora-all]
bugzilla·2018-08-28·CVSS 9.8
CVE-2018-14599 [CRITICAL] CVE-2018-14599 libX11: off-by-one error in XListExtensions in ListExt.c [fedora-all]
CVE-2018-14599 libX11: off-by-one error in XListExtensions in ListExt.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: this issue affects multiple supported v
Bugzilla
CVE-2018-14599 libX11: Off-by-one error in XListExtensions in ListExt.c
bugzilla·2018-08-28·CVSS 9.8
CVE-2018-14599 [CRITICAL] CVE-2018-14599 libX11: Off-by-one error in XListExtensions in ListExt.c
CVE-2018-14599 libX11: Off-by-one error in XListExtensions in ListExt.c
An issue was discovered in libX11 through 1.6.5. Functions GetFPath.c:XGetFontPath, ListExt.c:XListExtensions and FontNames.c:XListFonts are vulnerable to an off-by-one error when parsing list of strings returned by malicious server responses, leading to DoS.
References:
http://www.openwall.com/lists/oss-security/2018/08/21/6
https://lists.x.org/archives/xorg-announce/2018-August/002916.html
Upstream Patch:
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=b469da1430cdcee06e31c6251b83aede072a1ff0
Discussion:
Created libX11 tracking bugs for this issue:
Affects: fedora-all [bug 1623251]
---
Is the fix going to be ported to RHEL 7?
---
Hi,
We suggest you to open a case with Support for these kind of que
http://www.openwall.com/lists/oss-security/2018/08/21/6http://www.securityfocus.com/bid/105177http://www.securitytracker.com/id/1041543https://access.redhat.com/errata/RHSA-2019:2079https://bugzilla.suse.com/show_bug.cgi?id=1102062https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=b469da1430cdcee06e31c6251b83aede072a1ff0https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlhttps://security.gentoo.org/glsa/201811-01https://usn.ubuntu.com/3758-1/https://usn.ubuntu.com/3758-2/http://www.openwall.com/lists/oss-security/2018/08/21/6http://www.securityfocus.com/bid/105177http://www.securitytracker.com/id/1041543https://access.redhat.com/errata/RHSA-2019:2079https://bugzilla.suse.com/show_bug.cgi?id=1102062https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=b469da1430cdcee06e31c6251b83aede072a1ff0https://lists.debian.org/debian-lts-announce/2018/08/msg00030.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/https://lists.x.org/archives/xorg-announce/2018-August/002916.htmlhttps://security.gentoo.org/glsa/201811-01https://usn.ubuntu.com/3758-1/https://usn.ubuntu.com/3758-2/
2018-08-24
Published