USN-4308-1: Twisted vulnerabilities
19 March 2020
Several security issues were fixed in Twisted.
Releases
Packages
- twisted - Event-based framework for internet applications
Details
it was discovered that Twisted incorrectly validated or sanitized certain
URIs or HTTP methods. A remote attacker could use this issue to inject
invalid characters and possibly perform header injection attacks.
(CVE-2019-12387)
It was discovered that Twisted incorrectly verified XMPP TLS certificates.
A remote attacker could possibly use this issue to perform a
machine-in-the-middle attack and obtain sensitive information. (CVE-2019-12855)
It was discovered that Twisted incorrectly handled HTTP/2 connections. A
remote attacker could possibly use this issue to cause Twisted to hang or
consume resources, leading to a denial of service. This issue only affected
Ubuntu 18.04 LTS and Ubuntu 19.10. (CVE-2019-9512, CVE-2019-9514,
CVE-2019-9515)
Jake Miller and ZeddYu Lu discovered that Twisted incorrectly handled
certain content-length headers. A remote attacker could possibly use this
issue to perform HTTP request splitting attacks. (CVE-2020-10108,
CVE-2020-10109)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10
-
python-twisted
-
18.9.0-3ubuntu1.1
-
python-twisted-bin
-
18.9.0-3ubuntu1.1
-
python-twisted-web
-
18.9.0-3ubuntu1.1
-
python3-twisted
-
18.9.0-3ubuntu1.1
-
python3-twisted-bin
-
18.9.0-3ubuntu1.1
Ubuntu 18.04
-
python-twisted
-
17.9.0-2ubuntu0.1
-
python-twisted-bin
-
17.9.0-2ubuntu0.1
-
python-twisted-web
-
17.9.0-2ubuntu0.1
-
python3-twisted
-
17.9.0-2ubuntu0.1
-
python3-twisted-bin
-
17.9.0-2ubuntu0.1
Ubuntu 16.04
-
python-twisted
-
16.0.0-1ubuntu0.4
-
python-twisted-bin
-
16.0.0-1ubuntu0.4
-
python-twisted-web
-
16.0.0-1ubuntu0.4
-
python3-twisted
-
16.0.0-1ubuntu0.4
In general, a standard system update will make all the necessary changes.
Related notices
- USN-4308-2: python-twisted-names, twisted, python-twisted-news, python-twisted-mail, python-twisted-core, python-twisted-runner, python-twisted-words, python-twisted-lore, python-twisted-bin, twisted-doc, python-twisted-web, python-twisted, python-twisted-conch
- USN-4866-1: libnetty-java, netty