Heap overflow

2019-02-2602:29:00

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www.prio-n.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

72.3%

JSON

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.

CPENameOperatorVersion
ubuntu_linuxeq18.04
ubuntu_linuxeq19.10
ubuntu_linuxeq16.04
glibcle2.29
web_gatewayge8.0.0
web_gatewaylt8.1.1
web_gatewayge7.8.2.0
web_gatewaylt7.8.2.8
web_gatewayge7.7.2.0
web_gatewaylt7.7.2.21

Name	Operator	Version
ubuntu_linux	eq	18.04
ubuntu_linux	eq	19.10
ubuntu_linux	eq	16.04
glibc	le	2.29
web_gateway	ge	8.0.0
web_gateway	lt	8.1.1
web_gateway	ge	7.8.2.0
web_gateway	lt	7.8.2.8
web_gateway	ge	7.7.2.0
web_gateway	lt	7.7.2.21