CVE-2024-41656: sentry XSS — Fix

Description

Sentry is an error tracking and performance monitoring platform. Starting in version 10.0.0 and prior to version 24.7.1, an unsanitized payload sent by an Integration platform integration allows storing arbitrary HTML tags on the Sentry side with the subsequent rendering them on the Issues page. Self-hosted Sentry users may be impacted in case of untrustworthy Integration platform integrations sending external issues from their side to Sentry. A patch has been released in Sentry 24.7.1. For Sentry SaaS customers, no action is needed. This has been patched on July 23, and even prior to the fix, the exploitation was not possible due to the strict Content Security Policy deployed on sentry.io site. For self-hosted users, the maintainers of Sentry strongly recommend upgrading Sentry to the latest version. If it is not possible, one could enable CSP on one's self-hosted installation with `CSP_REPORT_ONLY = False` (enforcing mode). This will mitigate the risk of cross-site scripting.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
sentry	sentry	10.0.0 — 24.7.1

References

Advisories & Patches

https://github.com/getsentry/sentry/commit/5c679521f1539eabfb81287bfc30f34dbecd373e https://github.com/getsentry/sentry/pull/74648 https://github.com/getsentry/sentry/security/advisories/GHSA-fm88-hc3v-3www https://github.com/getsentry/sentry/commit/5c679521f1539eabfb81287bfc30f34dbecd373e https://github.com/getsentry/sentry/pull/74648 https://github.com/getsentry/sentry/security/advisories/GHSA-fm88-hc3v-3www

Other References

https://github.com/getsentry/self-hosted/releases/tag/24.7.1 https://github.com/getsentry/self-hosted/releases/tag/24.7.1

Frequently Asked Questions

What is CVE-2024-41656? +

Sentry is an error tracking and performance monitoring platform. Starting in version 10.0.0 and prior to version 24.7.1, an unsanitized payload sent by an Integration platform integration allows storing arbitrary HTML tags on the Sentry side with the subsequent rendering them on the Issues page. Self-hosted Sentry users may be impacted in case of untrustworthy Integration platform integrations sending external issues from their side to Sentry. A patch has been released in Sentry 24.7.1. For Sentry SaaS customers, no action is needed. This has been patched on July 23, and even prior to the fix, the exploitation was not possible due to the strict Content Security Policy deployed on sentry.io site. For self-hosted users, the maintainers of Sentry strongly recommend upgrading Sentry to the latest version. If it is not possible, one could enable CSP on one's self-hosted installation with `CSP_REPORT_ONLY = False` (enforcing mode). This will mitigate the risk of cross-site scripting. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-41656? +

CVE-2024-41656 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-41656? +

CVE-2024-41656 affects products from sentry, specifically: sentry. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-41656? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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