CVE-2021-3670 — Uncontrolled Resource Consumption in Samba

CWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation of Resources Without Limits or Throttling5 documents5 sources
Severity
6.5MEDIUMOSV
No vector
EPSS
3.4%
top 12.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SambaDebian LDBDebian Samba+1 more
Timeline
PublishedAug 9

Description

MaxQueryDuration not honoured in Samba AD DC LDAP FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we b…

Affected Packages4 packages

▶debiandebian/samba< ldb 2:2.2.3-1 (bullseye)
▶Ubuntusamba/samba< 2:4.13.17~dfsg-0ubuntu1.20.04.1+1
▶debiandebian/ldb< ldb 2:2.2.3-1 (bullseye)

🔴Vulnerability Details

1
OSV
samba vulnerabilities↗2022-08-01
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📋Vendor Advisories

4
Microsoft
MaxQueryDuration not honoured in Samba AD DC LDAP↗2022-08-09
▶
Ubuntu
Samba vulnerabilities↗2022-08-01
▶
Red Hat
samba: MaxQueryDuration not honoured in Samba AD DC LDAP↗2022-04-12
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Debian
CVE-2021-3670: ldb - MaxQueryDuration not honoured in Samba AD DC LDAP↗2021
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