CVE-2019-12387: CRLF Injection
First published: Mon Jun 10 2019(Updated: )
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Twistedmatrix Twisted | <19.2.1 | |
| Fedoraproject Fedora | =29 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Oracle ZFS Storage Appliance Kit | =8.8 | |
| Oracle Solaris | =11 | |
| pip/twisted | <19.2.1 | 19.2.1 |
| Twisted Twisted | <19.2.1 | |
| debian/twisted | 20.3.0-7+deb11u1 20.3.0-7+deb11u2 22.4.0-4+deb12u1 24.11.0-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
- https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
- https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
- https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
- https://usn.ubuntu.com/4308-1/
- https://usn.ubuntu.com/4308-2/
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://launchpad.net/bugs/cve/CVE-2019-12387
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12387
- https://nvd.nist.gov/vuln/detail/CVE-2019-12387
- https://security-tracker.debian.org/tracker/CVE-2019-12387
- https://ubuntu.com/security/CVE-2019-12387
- https://github.com/advisories/GHSA-6cc5-2vg4-cc7m (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
- https://usn.ubuntu.com/4308-1
- https://usn.ubuntu.com/4308-2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
Frequently Asked Questions
What is CVE-2019-12387?
CVE-2019-12387 is a vulnerability in Twisted before 19.2.1 that allows an attacker to inject invalid characters such as CRLF into URIs or HTTP methods.
What is the severity of CVE-2019-12387?
The severity of CVE-2019-12387 is medium with a CVSS score of 6.1.
How does CVE-2019-12387 affect Twisted?
CVE-2019-12387 affects Twisted versions before 19.2.1.
How can I fix CVE-2019-12387?
To fix CVE-2019-12387, update Twisted to version 19.2.1 or higher.
Where can I find more information about CVE-2019-12387?
You can find more information about CVE-2019-12387 at the following references: [Reference 1](https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2), [Reference 2](https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html), [Reference 3](https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html).
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