Critical severity · published May 18, 2018
CVE-2018-11236
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…
9.8
CVSS
6.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.9% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Communications Session Border Controller · Oracle
8.0.0; 8.1.0; 8.2.0 · source: NVD
DO
Data Ontap Edge · Netapp
All versions, or not specified · source: NVD
ES
Element Software Management · Netapp
All versions, or not specified · source: NVD
EC
Enterprise Communications Broker · Oracle
3.0.0; 3.1.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
GL
Glibc · Gnu
through 2.27 · source: NVD
VH
Virtualization Host · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-11236
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-11236
Third Party Advisory
http://www.securityfocus.com/bid/104255
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327
Patch
https://access.redhat.com/errata/RHSA-2018:3092
Broken Link
https://security.netapp.com/advisory/ntap-20190329-0001/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20190401-0001/
Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=22786
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