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CVE-2017-18365

N/A
Published: March 28, 2019 at 05:23 AM UTC
Updated: June 17, 2026 at 01:12 AM UTC
1 product affected across 1 vendorGitHub

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Severity
N/A
Exploit prediction
EPSS 21%

Description

The Management Console in GitHub Enterprise 2.8.x before 2.8.7 has a deserialization issue that allows unauthenticated remote attackers to execute arbitrary code. This occurs because the enterprise session secret is always the same, and can be found in the product's source code. By sending a crafted cookie signed with this secret, one can call Marshal.load with arbitrary data, which is a problem because the Marshal data format allows Ruby objects.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitHub· GitHub
95%
2.8.0 ≤ v < 2.8.72.8.7
Affected range stops below 2.8.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://enterprise.github.com/releases/2.8.7/notes
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.exablue.de/blog/2017-03-15-github-enterprise-remote-code-execution.html

CVSS

7.5HIGH[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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