Github: Security Vulnerabilities
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
CVSS Score
3.5
EPSS Score
0.001
Published
2023-01-23
An incorrect authorization vulnerability was identified in GitHub Enterprise Server, allowing for escalation of privileges in GraphQL API requests from GitHub Apps. This vulnerability allowed an app installed on an organization to gain access to and modify most organization-level resources that are not tied to a repository regardless of granted permissions, such as users and organization-wide projects. Resources associated with repositories were not impacted, such as repository file content, repository-specific projects, issues, or pull requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.7.1 and was fixed in versions 3.3.16, 3.4.11, 3.5.8, 3.6.4, 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
9.8
EPSS Score
0.002
Published
2023-01-17
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository-scoped token with read/write access to modify Action Workflow files without a Workflow scope. The Create or Update file contents API should enforce workflow scope. This vulnerability affected all versions of GitHub Enterprise Server prior to version 3.7 and was fixed in versions 3.3.16, 3.4.11, 3.5.8, and 3.6.4. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-01-09
A vulnerability classified as critical was found in purpleparrots 491-Project. This vulnerability affects unknown code of the file update.php of the component Highscore Handler. The manipulation leads to sql injection. The name of the patch is a812a5e4cf72f2a635a716086fe1ee2b8fa0b1ab. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217648.
CVSS Score
5.5
EPSS Score
0.001
Published
2023-01-08
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a scoped user-to-server token to escalate to full admin/owner privileges. An attacker would require an account with admin access to install a malicious GitHub App. This vulnerability was fixed in versions 3.3.17, 3.4.12, 3.5.9, and 3.6.5. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
7.2
EPSS Score
0.001
Published
2022-12-14
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 Score
9.8
EPSS Score
0.044
Published
2022-12-14
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed remote code execution when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the instance. This vulnerability was fixed in versions 3.3.17, 3.4.12, 3.5.9, 3.6.5 and 3.7.2. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
8.8
EPSS Score
0.039
Published
2022-12-14
An improper privilege management vulnerability was identified in GitHub Enterprise Server that allowed users with improper privileges to create or delete pages via the API. To exploit this vulnerability, an attacker would need to be added to an organization's repo with write permissions. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.7 and was fixed in versions 3.2.20, 3.3.15, 3.4.10, 3.5.7, and 3.6.3. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Score
6.5
EPSS Score
0.0
Published
2022-12-01
CRITICAL: An improper neutralization of argument delimiters in a command vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. To exploit this vulnerability, an attacker would need permission to create and build GitHub Pages using GitHub Actions. 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 Score
8.8
EPSS Score
0.015
Published
2022-11-23
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.
CVSS Score
5.7
EPSS Score
0.001
Published
2022-11-01