# CVE-2015-8748: Radicale regex metacharacters injection in the user name

Source: https://junglewise.ai/threats/cve-2015-8748-radicale-regex-metacharacters-injection-in-the-user-name  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2016-02-03  
License: CC BY 4.0 with a link back

CVE-2015-8748 · Severity: low · CVSS 3 · Published 2016-02-03

Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".

Technologies: [radicale (PyPI)](https://junglewise.ai/threats/technologies/radicale). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2015-8748 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2015-8748 being exploited in the wild.

**How severe is CVE-2015-8748?** Low severity, with a CVSS score of 3, published 3 February 2016.

**Which products and versions are affected?** radicale (PyPI) ECOSYSTEM:introduced=0,fixed=1.1, GIT:introduced=0,fixed=4bfe7c9f7991d534c8b9fbe153af9d341f925f98|ECOSYSTEM:introduced=0,fixed=1.1.

**Is there a fix for CVE-2015-8748?** Yes. radicale (PyPI): upgrade to 1.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2015-8748?** Check whether you run radicale (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- radicale (PyPI): upgrade to 1.1 or later

  ```sh
  pip install "radicale>=1.1"
  ```


## Affected products

- radicale (PyPI) ECOSYSTEM:introduced=0,fixed=1.1, GIT:introduced=0,fixed=4bfe7c9f7991d534c8b9fbe153af9d341f925f98|ECOSYSTEM:introduced=0,fixed=1.1

## Identifiers

- CVE-2015-8748
- GHSA-6w8c-6jrg-qwj2
- PYSEC-2016-37

## Related threats

- [PYSEC-2026-512 - Radicale is vulnerable to directory traversal on Windows Filesystem Storage Backend component](https://junglewise.ai/threats/cve-2016-1505-radicale-is-vulnerable-to-directory-traversal-on-windows)
- [Radicale is vulnerable to timing oracles and simple bruteforce attacks](https://junglewise.ai/threats/cve-2017-8342-radicale-is-vulnerable-to-timing-oracles-and-simple-bruteforce)
- [Radicale vulnerable to arbitrary file read or write](https://junglewise.ai/threats/cve-2015-8747-radicale-vulnerable-to-arbitrary-file-read-or-write)