CVE-2018-20796

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 '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html	Exploit Vendor Advisory Mailing List
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141	Exploit Mailing List Vendor Advisory
http://www.securityfocus.com/bid/107160	Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20190315-0002/	Patch Third Party Advisory
https://support.f5.com/csp/article/K26346590?utm_source=f5support&utm_medium=RSS

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*
	cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:::::::*
	cpe:2.3:a:netapp:cloud_backup::::::::

Information

Published : 2019-02-25 18:29

Updated : 2019-11-05 13:15

NVD link : CVE-2018-20796

Mitre link : CVE-2018-20796

JSON object : View

CWE

CWE-674

Uncontrolled Recursion

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Products Affected

netapp

cloud_backup
steelstore_cloud_integrated_storage
ontap_select_deploy_administration_utility

gnu

glibc

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