CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

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

References
Link Resource
https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html Exploit Vendor Advisory
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141 Exploit Mailing List
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
Configurations

Configuration 1

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
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 : 2019-02-26 02:29

Updated : 2019-11-05 09:15

NVD link : CVE-2018-20796

Mitre link : CVE-2018-20796

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion