PT-2023-20776 · Unknown+2 · Blackbox Exporter+2

Rocklee-1998 · Published 2023-04-25 · Updated 2024-08-02 · CVE-2023-26735

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions blackbox exporter version 0.23.0

Description The issue is related to an access control problem in the probe interface of blackbox exporter, allowing attackers to detect intranet ports and services, as well as download resources. It is noted that this issue is disputed by third parties, as authentication can be configured.

Recommendations For blackbox exporter version 0.23.0, consider configuring authentication to restrict access to the probe interface as a mitigation measure. However, it has been determined that this is a configuration issue rather than a vulnerability, so no patch or update is required to fix the issue.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

ALT-PU-2023-4589

CVE-2023-26735

ECHO-5A17-A9C6-5461

GHSA-939C-3G97-VPVV

Affected Products

Alt Linux

Debian

Blackbox Exporter

References · 25

• 🔥 https://github.com/prometheus/blackbox_exporter#tls-and-basic-authentication · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-26735 · Security Note
• https://osv.dev/vulnerability/CVE-2023-26735 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2023-4589 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/prometheus-blackbox-exporter · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26735 · Security Note
• https://ubuntu.com/security/CVE-2023-26735 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-26735 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-26735 · Security Note
• https://osv.dev/vulnerability/GHSA-939c-3g97-vpvv · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-26735 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-26735 · Vendor Advisory
• https://github.com/prometheus/blackbox_exporter/issues/1024 · Note
• https://github.com/prometheus/blackbox_exporter/issues/1026 · Note
• https://github.com/prometheus/blackbox_exporter/issues/1025 · Note