What’s Vulnerable › Vulnerabilities

CVE-2012-2055

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-04-05 · updated 2026-06-16
• Weakness: CWE-913

Description

GitHub Enterprise before 20120304 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set the public_key[user_id] value via a modified URL for the public-key update form, related to a "mass assignment" vulnerability.

Affected products

• Github: before 20120304 — fixed in 20120304

How to fix

Upgrade to a fixed version: Github 20120304. Check the vendor advisory for mitigations.

References

• http://homakov.blogspot.com/2012/03/how-to.html
• http://lwn.net/Articles/488702/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74812
• https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation
• http://homakov.blogspot.com/2012/03/how-to.html
• http://lwn.net/Articles/488702/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74812
• https://github.com/blog/1068-public-key-security-vulnerability-and-mitigation

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