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ubuntucveUbuntu.comUB:CVE-2018-11236
HistoryMay 18, 2018 - 12:00 a.m.

CVE-2018-11236

2018-05-1800:00:00
ubuntu.com
ubuntu.com
24

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.014

Percentile

86.5%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarcheglibc< 2.19-0ubuntu6.15+esm3UNKNOWN
ubuntu18.04noarchglibc< 2.27-3ubuntu1.2UNKNOWN
ubuntu16.04noarchglibc< 2.23-0ubuntu11.2UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.014

Percentile

86.5%