CVE-2017-2826

NameCVE-2017-2826
DescriptionAn information disclosure vulnerability exists in the iConfig proxy request of Zabbix server 2.4.X. A specially crafted iConfig proxy request can cause the Zabbix server to send the configuration information of any Zabbix proxy, resulting in information disclosure. An attacker can make requests from an active Zabbix proxy to trigger this vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1708-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
zabbix (PTS)jessie1:2.2.7+dfsg-2+deb8u3vulnerable
jessie (security)1:2.2.23+dfsg-0+deb8u1fixed
stretch1:3.0.7+dfsg-3vulnerable
buster, sid1:4.0.4+dfsg-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
zabbixsource(unstable)(unfixed)low
zabbixsourcejessie1:2.2.23+dfsg-0+deb8u1mediumDLA-1708-1

Notes

[buster] - zabbix <ignored> (Minor issue, workaround exists)
[stretch] - zabbix <ignored> (Minor issue, workaround exists)
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0327
Relates to the information disclosure as mentioned in (but is not the same issue)
https://support.zabbix.com/browse/ZBX-12076
Workaround for Zabbix 3.0 exists: https://www.zabbix.com/documentation/3.0/manual/distributed_monitoring/proxies#configuration
using encyrpted connections with the proxy.

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