NixOS Hydra up to 23.10 ISO File cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in NixOS Hydra up to 23.10. Affected by this vulnerability is an unknown functionality of the component ISO File Handler. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2024-32657. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in NixOS Hydra up to 23.10. This issue affects some unknown functionality of the component ISO File Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Hydra is a Continuous Integration service for Nix based projects. Attackers can execute arbitrary code in the browser context of Hydra and execute authenticated HTTP requests. The abused feature allows Nix builds to specify files that Hydra serves to clients. One use of this functionality is serving NixOS `.iso` files. The issue is only with html files served by Hydra. The issue has been patched on https://hydra.nixos.org around 2024-04-21 14:30 UTC. The nixpkgs package were fixed in unstable and 23.11. Users with custom Hydra packages can apply the fix commit to their local installations. The vulnerability is only triggered when opening HTML build artifacts, so not opening them until the vulnerability is fixed works around the issue.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-32657 since 04/16/2024. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 23.11 eliminates this vulnerability. Applying the patch b72528be5074f3e62e9ae2c2ae8ef9c07a0b4dd3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Hydra 23.11
Patch: b72528be5074f3e62e9ae2c2ae8ef9c07a0b4dd3

Timelineinfo

04/16/2024 🔍
04/23/2024 +7 days 🔍
04/23/2024 +0 days 🔍
09/22/2025 +517 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-2p75-6g9f-pqgx
Status: Confirmed

CVE: CVE-2024-32657 (🔍)
GCVE (CVE): GCVE-0-2024-32657
GCVE (VulDB): GCVE-100-261767

Entryinfo

Created: 04/23/2024 08:04
Updated: 09/22/2025 18:43
Changes: 04/23/2024 08:04 (67), 04/04/2025 10:46 (4), 09/22/2025 18:43 (12)
Complete: 🔍
Cache ID: 216::103

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