Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libldb package, versions <0:1.1.20-1.el7_2.2


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
22.57% (97th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBLDB-2060421
  • published26 Jul 2021
  • disclosed16 Dec 2015

Introduced: 16 Dec 2015

CVE-2015-3223  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Centos:7 libldb to version 0:1.1.20-1.el7_2.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libldb package and not the libldb package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

CVSS Scores

version 3.1