feat: Add DevSecOps-7809 demo page with intentional vulnerabilities for GHAS demonstration#137
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feat: Add DevSecOps-7809 demo page with intentional vulnerabilities for GHAS demonstration#137
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…or GHAS demonstration Co-authored-by: CalinL <10718943+CalinL@users.noreply.github.com>
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[WIP] Add DevSecOps page with news and insecure code sample
feat: Add DevSecOps-7809 demo page with intentional vulnerabilities for GHAS demonstration
Feb 10, 2026
![github-code-quality[bot]](https://avatars.githubusercontent.com/u/9919?s=60&v=4){kind=small}
| string jsonData = JsonConvert.SerializeObject(LatestSecurityNews); | ||
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| // VULNERABILITY: Deserializing untrusted data without validation | ||
| var deserializedData = JsonConvert.DeserializeObject<List<NewsItem>>(jsonData); |
| catch (Exception ex) | ||
| { | ||
| // VULNERABILITY: Excessive error information disclosure | ||
| _logger.LogError($"Failed to process input '{userInput}': {ex.ToString()}"); |
| // VULNERABILITY: Log forging - user input directly in logs without sanitization | ||
| // Attackers could inject newlines and fake log entries | ||
| string userAgent = Request.Headers.UserAgent.ToString(); | ||
| string userName = Request.Query.ContainsKey("user") ? Request.Query["user"].ToString() ?? "anonymous" : "anonymous"; |
| LoadLatestGHASNews(); | ||
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| // Demonstrate potential ReDoS vulnerability with query parameter | ||
| string testPattern = Request.Query.ContainsKey("pattern") ? Request.Query["pattern"].ToString() ?? "aaa" : "aaa"; |
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| catch (Exception ex) | ||
| { | ||
| // VULNERABILITY: Log forging in exception handling with full stack trace | ||
| _logger.LogError($"Regex evaluation failed for pattern: {testPattern}. Error: {ex}"); | ||
| } |
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| catch (Exception ex) | ||
| { | ||
| _logger.LogError($"Database connection failed: {ex.Message}"); | ||
| } |
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| catch (Exception ex) | ||
| { | ||
| // VULNERABILITY: Excessive error information disclosure | ||
| _logger.LogError($"Failed to process input '{userInput}': {ex.ToString()}"); | ||
| TempData["ErrorMessage"] = $"Error: {ex.Message}"; | ||
| } |
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| catch (Exception ex) | ||
| { | ||
| // VULNERABILITY: Logging full exception details with user input | ||
| _logger.LogError($"Regex test failed for pattern: {regexPattern}. Exception: {ex}"); | ||
| TempData["ErrorMessage"] = "Pattern evaluation failed"; | ||
| } |
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Adds a new DevSecOps demo page (7809) showcasing GitHub Advanced Security detection capabilities through intentional security vulnerabilities in an ASP.NET Core Razor Pages application.
Changes
New Demo Page
DevSecOps-7809.cshtml: UI with 2026 GHAS news, interactive vulnerability testing formsDevSecOps-7809.cshtml.cs: PageModel with ILogger and multiple vulnerability categoriesIntentional Vulnerabilities
^(a+)+$with nested quantifiersBuildUserQuery()Package Updates
Newtonsoft.Jsonfrom 13.0.1 → 12.0.2 (vulnerable version)System.Text.Json8.0.4,Microsoft.Data.SqlClient5.0.2Navigation
Index.cshtmlwith button linking to new demo pageAll vulnerabilities should trigger GHAS code scanning alerts, secret scanning, and dependency alerts.
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