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CVE-2022-23734

8.8 · HIGH

A deserialization of untrusted data vulnerability was identified in GitHub Enterprise Server that could potentially lead to remote code execution on the SVNBridge.

Published Oct 19, 2022CWE-502EPSS 2.69%

Overview

CVE-2022-23734 is a high-severity vulnerability. It was published on October 19, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubdocs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.16GitHubdocs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.11GitHubdocs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.6GitHubdocs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.3GitHubdocs.github.com/en/enterprise-server%403.2/admin/release-notes#3.2.16GitHubdocs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.11GitHubdocs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.6GitHubdocs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.3

How CyberStrike helps

Frequently asked questions

What is CVE-2022-23734?

CVE-2022-23734 is a high-severity vulnerability. It was published on October 19, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2022-23734?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-23734?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-23734?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-23734 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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