VDB-211807 · CVE-2022-23734 · GCVE-0-2022-23734

GitHub Enterprise Server prior 3.2.16/3.3.11/3.4.6/3.5.3/3.6 SVNBridge deserialization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in GitHub Enterprise Server. This affects an unknown part of the component SVNBridge. This manipulation causes deserialization. This vulnerability is tracked as CVE-2022-23734. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in GitHub Enterprise Server (Bug Tracking Software). Affected by this vulnerability is an unknown functionality of the component SVNBridge. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 10/19/2022. It is possible to read the advisory at docs.github.com. This vulnerability is known as CVE-2022-23734 since 01/19/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.2.16, 3.3.11, 3.4.6, 3.5.3 or 3.6 eliminates this vulnerability. The upgrade is hosted for download at docs.github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Bug Tracking Software

Vendor

GitHub

Name

Enterprise Server

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Server 3.2.16/3.3.11/3.4.6/3.5.3/3.6

Timelineinfo

01/19/2022 🔍
10/19/2022 +272 days 🔍
10/19/2022 +0 days 🔍
05/09/2025 +933 days 🔍

Sourcesinfo

Advisory: docs.github.com
Status: Confirmed

CVE: CVE-2022-23734 (🔍)
GCVE (CVE): GCVE-0-2022-23734
GCVE (VulDB): GCVE-100-211807

Entryinfo

Created: 10/19/2022 21:10
Updated: 05/09/2025 18:06
Changes: 10/19/2022 21:10 (41), 11/18/2022 10:51 (11), 05/09/2025 18:06 (15)
Complete: 🔍
Cache ID: 216::103