CVE-2021-32739 — Privilege Defined With Unsafe Actions in Icinga

CWE-267 — Privilege Defined With Unsafe ActionsCWE-269 — Improper Privilege Management4 documents4 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 46.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Icinga Icinga2IcingaDebian Linux
Timeline
PublishedJul 15

Description

Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. From version 2.4.0 through version 2.12.4, a vulnerability exists that may allow privilege escalation for authenticated API users. With a read-ony user's credentials, an attacker can view most attributes of all config objects including `ticket_salt` of `ApiListener`. This salt is enough to compute a ticket for every possible common name (CN). …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶NVDicinga/icinga2.4.0 — 2.11.10+1
▶Debianicinga/icinga2< 2.12.3-1+deb11u1+3
▶CVEListV5icinga/icinga2>= 2.4.0, <= 2.12.4

Also affects: Debian Linux 9.0

🔴Vulnerability Details

2
CVEList
Results of queries for ApiListener objects include the ticket salt which allows in turn to steal (more privileged) identities↗2021-07-15
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OSV
CVE-2021-32739: Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for report↗2021-07-15
▶

📋Vendor Advisories

1
Debian
CVE-2021-32739: icinga2 - Icinga is a monitoring system which checks the availability of network resources...↗2021
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CVE-2021-32739 — Privilege Defined With Unsafe Actions | cvebase