CVE-2023-40577

prometheus-alertmanager: Alertmanager handles alerts sent by client applications such as the Prometheus server

CVE-2023-40577 is fixed in 2 products on 1 platform, first by golang-github-prometheus-alertmanager-dev 0.6.2+ds-3ubuntu0.1+esm1, released August 24, 2023. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0063
50th percentile

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.

Where it's fixed

ProductFixed inFixReleased
Linux
golang-github-prometheus-alertmanager-dev · Ubuntu 18.04.6 LTS (bionic) 0.6.2+ds-3ubuntu0.1+esm1 golang-github-prometheus-alertmanager-dev 0.6.2+ds-3ubuntu0.1+esm1 Aug 24, 2023
golang-github-prometheus-alertmanager-dev · Ubuntu 20.04 LTS (focal) 0.15.3+ds-3ubuntu1.2 golang-github-prometheus-alertmanager-dev 0.15.3+ds-3ubuntu1.2 Aug 24, 2023
golang-github-prometheus-alertmanager-dev · Ubuntu 22.04.1 LTS (jammy) 0.23.0-4ubuntu0.2+esm1 golang-github-prometheus-alertmanager-dev 0.23.0-4ubuntu0.2+esm1 Aug 24, 2023
prometheus-alertmanager · Debian 13.5 (trixie) 0.26.0+ds-1 DEBIAN-CVE-2023-40577 Aug 25, 2023
prometheus-alertmanager · Debian 14 0.26.0+ds-1 DEBIAN-CVE-2023-40577 Aug 25, 2023
prometheus-alertmanager · Ubuntu 18.04.6 LTS (bionic) 0.6.2+ds-3ubuntu0.1+esm1 prometheus-alertmanager 0.6.2+ds-3ubuntu0.1+esm1 Aug 24, 2023
prometheus-alertmanager · Ubuntu 20.04 LTS (focal) 0.15.3+ds-3ubuntu1.2 prometheus-alertmanager 0.15.3+ds-3ubuntu1.2 Aug 24, 2023
prometheus-alertmanager · Ubuntu 22.04.1 LTS (jammy) 0.23.0-4ubuntu0.2+esm1 prometheus-alertmanager 0.23.0-4ubuntu0.2+esm1 Aug 24, 2023

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