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CVE-2018-15858

Description

Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c 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.

Risk Information

Base Score
5.5
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.057

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon-debugsource-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon-x11-0-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon-x11-0-32bit-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon-x11-0-debuginfo-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon-x11-0-debuginfo-32bit-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon0-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon0-32bit-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon0-debuginfo-0.6.1-9.3.1.x86_64.rpmLinux
SUSE-SU-2024:0037-1(SUSE Linux Enterprise Server 12 SP5 ) libxkbcommon0-debuginfo-32bit-0.6.1-9.3.1.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234