Deserialization of Untrusted Data vulnerability in GitHub Enterprise Server leading to Remote Code Execution

CVE-2022-23734

8.8HIGH

Key Information

Vendor
Github
Status
Github Enterprise Server
Vendor
CVE Published:
19 October 2022

Summary

A deserialization of untrusted data vulnerability was identified in GitHub Enterprise Server that could potentially lead to remote code execution on the SVNBridge. To exploit this vulnerability, an attacker would need to gain access via a server-side request forgery (SSRF) that would let an attacker control the data being deserialized. This vulnerability affected all versions of GitHub Enterprise Server prior to v3.6 and was fixed in versions 3.5.3, 3.4.6, 3.3.11, and 3.2.16. This vulnerability was reported via the GitHub Bug Bounty program.

Affected Version(s)

GitHub Enterprise Server < 3.2.16

GitHub Enterprise Server < 3.3.11

GitHub Enterprise Server < 3.4.6

Refferences

EPSS Score

1% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Alex Chapman
.