CVE-2022-23738

Incomplete cache verification issue in GitHub Enterprise Server leading to exposure of private repo files

Severity Score

5.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enterprise Server instance, be able to create a public repository, and have a site administrator visit a specially crafted URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3. This vulnerability was reported via the GitHub Bug Bounty program.

Se identificó una vulnerabilidad de clave de caché inadecuada en GitHub Enterprise Server que permitió a un actor no autorizado acceder a archivos del repositorio privado a través de un repositorio público. Para aprovechar esto, un actor necesitaría estar autorizado en la instancia de GitHub Enterprise Server, poder crear un repositorio público y hacer que un administrador del sitio visite una URL especialmente manipulada. Esta vulnerabilidad afectó a todas las versiones de GitHub Enterprise Server anteriores a la 3.6 y se solucionó en las versiones 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3. Esta vulnerabilidad se informó a través del programa GitHub Bug Bounty.

*Credits: ahacker1

CVSS Scores

NISTv3.1 5.7

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-19 CVE Reserved
2022-11-01 CVE Published
2024-08-03 CVE Updated
2024-09-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-552: Files or Directories Accessible to External Parties

CAPEC

References (5)

URL	Tag	Source
https://docs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.20
https://docs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.15
https://docs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.10
https://docs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.7
https://docs.github.com/en/enterprise-server%403.6/admin/release-notes#3.6.3

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Github Search vendor "Github"		Enterprise Server Search vendor "Github" for product "Enterprise Server"				>= 3.2.0 < 3.2.20 Search vendor "Github" for product "Enterprise Server" and version " >= 3.2.0 < 3.2.20"		-		Affected
Github Search vendor "Github"		Enterprise Server Search vendor "Github" for product "Enterprise Server"				>= 3.3.0 < 3.3.15 Search vendor "Github" for product "Enterprise Server" and version " >= 3.3.0 < 3.3.15"		-		Affected
Github Search vendor "Github"		Enterprise Server Search vendor "Github" for product "Enterprise Server"				>= 3.4.0 < 3.4.10 Search vendor "Github" for product "Enterprise Server" and version " >= 3.4.0 < 3.4.10"		-		Affected
Github Search vendor "Github"		Enterprise Server Search vendor "Github" for product "Enterprise Server"				>= 3.5.0 < 3.5.7 Search vendor "Github" for product "Enterprise Server" and version " >= 3.5.0 < 3.5.7"		-		Affected
Github Search vendor "Github"		Enterprise Server Search vendor "Github" for product "Enterprise Server"				>= 3.6.0 < 3.6.3 Search vendor "Github" for product "Enterprise Server" and version " >= 3.6.0 < 3.6.3"		-		Affected