Vulnerability CVE-2018-11236


Published: 2018-05-18

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.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Virtualization host 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
Oracle -> Communications session border controller 
Oracle -> Enterprise communications broker 
Netapp -> Data ontap edge 
Netapp -> Element software management 
GNU -> Glibc 

 References:
http://www.securityfocus.com/bid/104255
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2018:3092
https://security.netapp.com/advisory/ntap-20190401-0001/
https://sourceware.org/bugzilla/show_bug.cgi?id=22786
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5460617d1567657621107d895ee2dd83bc1f88f2
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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