CVE-2023-30534

NameCVE-2023-30534
DescriptionCacti is an open source operational monitoring and fault management framework. There are two instances of insecure deserialization in Cacti version 1.2.24. While a viable gadget chain exists in Cacti’s vendor directory (phpseclib), the necessary gadgets are not included, making them inaccessible and the insecure deserializations not exploitable. Each instance of insecure deserialization is due to using the unserialize function without sanitizing the user input. Cacti has a “safe” deserialization that attempts to sanitize the content and check for specific values before calling unserialize, but it isn’t used in these instances. The vulnerable code lies in graphs_new.php, specifically within the host_new_graphs_save function. This issue has been addressed in version 1.2.25. Users are advised to upgrade. There are no known workarounds for this vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cacti (PTS)buster1.2.2+ds1-2+deb10u4vulnerable
buster (security)1.2.2+ds1-2+deb10u5vulnerable
bullseye (security), bullseye1.2.16+ds1-2+deb11u1vulnerable
bookworm1.2.24+ds1-1vulnerable
trixie, sid1.2.25+ds1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cactisource(unstable)1.2.25+ds1-1

Notes

https://github.com/Cacti/cacti/security/advisories/GHSA-77rf-774j-6h3p

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