CVE-2018-20796

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/02/2019

Last modified:

07/11/2023

Description

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by &#39;(\227|)(\\1\\1|t1|\\\2537)+&#39; in grep.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gnu:glibc::::::::		2.29 (including)
cpe:2.3:a:netapp:cloud_backup::::::::
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:::::::*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2018-20796

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools