Critical severity · published Dec 14, 2022
CVE-2022-46255
Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
An improper limitation of a pathname to a restricted directory vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. A check was added within Pages to ensure the working directory is clean before unpacking new content to prevent an arbitrary file overwrite bug. This vulnerability affected only version 3.7.0 of GitHub Enterprise Server and was fixed in version 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Enterprise Server · Github
3.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46255
docs.github.com
https://docs.github.com/en/enterprise-server%403.7/admin/release-notes#3.7.1
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