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Ubuntu 14.04 ESM USN-4308-2 Moderate: Twisted Header Injection

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Calendar Grey March 30, 2020
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Ubuntu Security Notice USN-4315-3 addresses flask vulnerabilities impacting various assaults from remote aggressors.
Several security issues were fixed in Twisted.

Summary

Several security issues were fixed in Twisted.

Software Description:

- twisted: Event-based framework for internet applications

Details:

USN-4308-1 fixed several vulnerabilities in Twisted. This update provides

the corresponding update for Ubuntu 14.04 ESM.

Original advisory 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

man-in-the-middle attack and obtain sensitive information. (CVE-2019-12855)

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)

Topics%20covered

Topics Covered

security advisory Ubuntu man-in-the-middle request splitting header injection twisted

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 ESM:
  python-twisted                  13.2.0-1ubuntu1.2+esm1
  python-twisted-bin              13.2.0-1ubuntu1.2+esm1
  python-twisted-web              13.2.0-1ubuntu1.2+esm1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4308-2

https://ubuntu.com/security/notices/USN-4308-1

CVE-2019-12387, CVE-2019-12855, CVE-2020-10108, CVE-2020-10109

Severity
important
Lowest
Low
Medium
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Critical

March 30, 2020

Topics%20covered

Topics Covered

security advisory Ubuntu man-in-the-middle request splitting header injection twisted

Package Information

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