CVE-2024-9539: enterprise server Information Disclosure

Description

An information disclosure vulnerability was identified in GitHub Enterprise Server via attacker uploaded asset URL allowing the attacker to retrieve metadata information of a user who clicks on the URL and further exploit it to create a convincing phishing page. This required the attacker to upload malicious SVG files and phish a victim user to click on that uploaded asset URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.14.2, 3.13.5, 3.12.10, 3.11.16. This vulnerability was reported via the GitHub Bug Bounty program.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
github	enterprise_server	< 3.11.16
github	enterprise_server	3.12.0 — 3.12.10
github	enterprise_server	3.13.0 — 3.13.5
github	enterprise_server	3.14.0 — 3.14.2

References

Other References

https://docs.github.com/en/[email protected]/admin/release-notes#3.11.16 https://docs.github.com/en/[email protected]/admin/release-notes#3.12.10 https://docs.github.com/en/[email protected]/admin/release-notes#3.13.5 https://docs.github.com/en/[email protected]/admin/release-notes#3.14.2

Frequently Asked Questions

What is CVE-2024-9539? +

An information disclosure vulnerability was identified in GitHub Enterprise Server via attacker uploaded asset URL allowing the attacker to retrieve metadata information of a user who clicks on the URL and further exploit it to create a convincing phishing page. This required the attacker to upload malicious SVG files and phish a victim user to click on that uploaded asset URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and was fixed in versions 3.14.2, 3.13.5, 3.12.10, 3.11.16. This vulnerability was reported via the GitHub Bug Bounty program. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-9539? +

CVE-2024-9539 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-9539? +

CVE-2024-9539 affects products from github, specifically: enterprise_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-9539? +

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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