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CVE-2018-11236

Description

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.894

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-debuginfo-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-debuginfo-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-debugsource-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-devel-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-devel-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-devel-debuginfo-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-devel-debuginfo-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Server 12-SP3 ) glibc-html-2.22-62.13.2.noarch.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-i18ndata-2.22-62.13.2.noarch.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Server 12-SP3 ) glibc-info-2.22-62.13.2.noarch.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-locale-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-locale-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-locale-debuginfo-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) glibc-locale-debuginfo-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Server 12-SP3 ) glibc-profile-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Server 12-SP3 ) glibc-profile-32bit-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) nscd-2.22-62.13.2.x86_64.rpmLinux
SUSE-SU-2018:1562-1(SUSE Linux Enterprise Desktop 12-SP3 ) nscd-debuginfo-2.22-62.13.2.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-2.17-260.el7.i686.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-common-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-devel-2.17-260.el7.i686.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-devel-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-headers-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-static-2.17-260.el7.i686.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-static-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update glibc-utils-2.17-260.el7.x86_64.rpmLinux
(RHSA-2018:3092) glibc security, bug fix, and enhancement update nscd-2.17-260.el7.x86_64.rpmLinux
GNU C Library (USN-4416-1) libc6_2.27-3ubuntu1.2_i386.debLinux
GNU C Library (USN-4416-1) libc6_2.27-3ubuntu1.2_amd64.debLinux
GNU C Library (USN-4416-1) libc6_2.30-0ubuntu2.2_i386.debLinux
GNU C Library (USN-4416-1) libc6_2.30-0ubuntu2.2_amd64.debLinux
GNU C Library (USN-4416-1) libc6_2.23-0ubuntu11.2_i386.debLinux
GNU C Library (USN-4416-1) libc6_2.23-0ubuntu11.2_amd64.debLinux

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