CVE-2023-26735

Name	CVE-2023-26735
Description	blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 Package	Release	Version	Status
prometheus-blackbox-exporter (PTS)	bullseye	0.18.0+ds-3	vulnerable
	bookworm	0.23.0-4	vulnerable
	trixie	0.26.0-1	vulnerable
	forky, sid	0.26.0-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
prometheus-blackbox-exporter	source	(unstable)	(unfixed)	unimportant

Notes

https://github.com/prometheus/blackbox_exporter/issues/1024
https://github.com/prometheus/blackbox_exporter/issues/1024#issuecomment-1526944617
Upstream of the project did disputed the CVE. Upstream position is
that the refererred behaviour is intended functionality.