CVE-2018-15855
published 2018-08-25CVE-2018-15855: Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a…
PriorityP417medium5.5CVSS 3.0
AVLACLPRLUINSUCNINAH
EPSS
0.43%
35.6th percentile
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | libxkbcommon | < libxkbcommon 0.8.2-1 (bookworm) | libxkbcommon 0.8.2-1 (bookworm) |
| xkbcommon | libxkbcommon | >= 0 < 0.8.2-1 | 0.8.2-1 |
| xkbcommon | libxkbcommon | >= 0 < 0.8.2-1 | 0.8.2-1 |
| xkbcommon | libxkbcommon | >= 0 < 0.8.2-1 | 0.8.2-1 |
| xkbcommon | libxkbcommon | >= 0 < 0.8.2-1 | 0.8.2-1 |
| xkbcommon | libxkbcommon | >= 0 < 0.4.1-0ubuntu1.1 | 0.4.1-0ubuntu1.1 |
| xkbcommon | libxkbcommon | >= 0 < 0.5.0-1ubuntu2.1 | 0.5.0-1ubuntu2.1 |
| xkbcommon | libxkbcommon | >= 0 < 0.8.0-1ubuntu0.1 | 0.8.0-1ubuntu0.1 |
| xkbcommon_project | xkbcommon | < 0.8.1 | 0.8.1 |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
vendor_ubuntu5.5MEDIUM
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Ubuntu
libxkbcommon vulnerabilities
vendor_ubuntu·2018-11-06·CVSS 5.5
CVE-2018-15853 [MEDIUM] libxkbcommon vulnerabilities
Title: libxkbcommon vulnerabilities
Summary: Several security issues were fixed in libxkbcommon.
USN-3786-1 fixed several vulnerabilities in libxkbcommon. This
update provides the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libxkbcommon incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856,
CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,
CVE-2018-15862, CVE-2018-15863, CVE-2018-15864)
Instructions: In general, a standard system update will make all the necessary changes.
Ubuntu
libxkbcommon vulnerabilities
vendor_ubuntu·2018-10-08·CVSS 5.5
CVE-2018-15853 [MEDIUM] libxkbcommon vulnerabilities
Title: libxkbcommon vulnerabilities
Summary: Several security issues were fixed in libxkbcommon.
It was discovered that libxkbcommon incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856,
CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,
CVE-2018-15862, CVE-2018-15863, CVE-2018-15864)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libxkbcommon: NULL pointer dereference when handling xkb_geometry
vendor_redhat·2018-03-11·CVSS 5.5
CVE-2018-15855 [MEDIUM] CWE-476 libxkbcommon: NULL pointer dereference when handling xkb_geometry
libxkbcommon: NULL pointer dereference when handling xkb_geometry
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
Package: libxkbcommon (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-15855: libxkbcommon - Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local at...
vendor_debian·2018·CVSS 5.5
CVE-2018-15855 [MEDIUM] CVE-2018-15855: libxkbcommon - Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local at...
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
Scope: local
bookworm: resolved (fixed in 0.8.2-1)
bullseye: resolved (fixed in 0.8.2-1)
forky: resolved (fixed in 0.8.2-1)
sid: resolved (fixed in 0.8.2-1)
trixie: resolved (fixed in 0.8.2-1)
GHSA
GHSA-6qv5-c3f6-2jwr: Unchecked NULL pointer usage in xkbcommon before 0
ghsa_unreviewed·2022-05-14
CVE-2018-15855 [MEDIUM] CWE-476 GHSA-6qv5-c3f6-2jwr: Unchecked NULL pointer usage in xkbcommon before 0
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
OSV
libxkbcommon vulnerabilities
osv·2018-11-06·CVSS 5.5
CVE-2018-15853 [MEDIUM] libxkbcommon vulnerabilities
libxkbcommon vulnerabilities
USN-3786-1 fixed several vulnerabilities in libxkbcommon. This
update provides the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libxkbcommon incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856,
CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,
CVE-2018-15862, CVE-2018-15863, CVE-2018-15864)
OSV
libxkbcommon vulnerabilities
osv·2018-10-08·CVSS 5.5
CVE-2018-15853 [MEDIUM] libxkbcommon vulnerabilities
libxkbcommon vulnerabilities
It was discovered that libxkbcommon incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856,
CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,
CVE-2018-15862, CVE-2018-15863, CVE-2018-15864)
OSV
CVE-2018-15855: Unchecked NULL pointer usage in xkbcommon before 0
osv·2018-08-25·CVSS 5.5
CVE-2018-15855 [MEDIUM] CVE-2018-15855: Unchecked NULL pointer usage in xkbcommon before 0
Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.
No detection rules found.
No public exploits indexed.
https://access.redhat.com/errata/RHSA-2019:2079https://github.com/xkbcommon/libxkbcommon/commit/917636b1d0d70205a13f89062b95e3a0fc31d4ffhttps://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.htmlhttps://security.gentoo.org/glsa/201810-05https://usn.ubuntu.com/3786-1/https://usn.ubuntu.com/3786-2/https://access.redhat.com/errata/RHSA-2019:2079https://github.com/xkbcommon/libxkbcommon/commit/917636b1d0d70205a13f89062b95e3a0fc31d4ffhttps://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.htmlhttps://security.gentoo.org/glsa/201810-05https://usn.ubuntu.com/3786-1/https://usn.ubuntu.com/3786-2/
2018-08-25
Published